Read this: The embargo had a negative influence on the US economy by causing immediate demands to address the threats to U.S. energy security. On an international level, the price increases changed competitive positions in many industries, such as automobiles. Macroeconomic problems consisted of both inflationary and deflationary impacts. The embargo left oil companies searching for new ways to increase oil supplies, even in rugged terrain such as the Arctic. Finding oil and developing new fields usually required five to ten years before significant production.

What did macroeconomic problems cause oil companies to search for?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: Tymnet was an international data communications network headquartered in San Jose, CA that utilized virtual call packet switched technology and used X.25, SNA/SDLC, BSC and ASCII interfaces to connect host computers (servers)at thousands of large companies, educational institutions, and government agencies. Users typically connected via dial-up connections or dedicated async connections. The business consisted of a large public network that supported dial-up users and a private network business that allowed government agencies and large companies (mostly banks and airlines) to build their own dedicated networks. The private networks were often connected via gateways to the public network to reach locations not on the private network. Tymnet was also connected to dozens of other public networks in the U.S. and internationally via X.25/X.75 gateways. (Interesting note: Tymnet was not named after Mr. Tyme. Another employee suggested the name.)

What international data communications network was headquartered in San Juan, CA?
What is the answer? (If it cannot be answered, return "unanswerable")


Some of the oldest schools in South Africa are private church schools that were established by missionaries in the early nineteenth century. The private sector has grown ever since. After the abolition of apartheid, the laws governing private education in South Africa changed significantly. The South African Schools Act of 1996 recognises two categories of schools: "public" (state-controlled) and "independent" (which includes traditional private schools and schools which are privately governed[clarification needed].)
Try to answer this question if possible (otherwise reply "unanswerable"): Along with public schools, what type of school was recognized under the South African Schools Act?


Fresno is served by State Route 99, the main north/south freeway that connects the major population centers of the California Central Valley. State Route 168, the Sierra Freeway, heads east to the city of Clovis and Huntington Lake. State Route 41 (Yosemite Freeway/Eisenhower Freeway) comes into Fresno from Atascadero in the south, and then heads north to Yosemite. State Route 180 (Kings Canyon Freeway) comes from the west via Mendota, and from the east in Kings Canyon National Park going towards the city of Reedley.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): State Route 180 comes from which direction via Mendota?


Following the election of the UK Labour Party to government in 1997, the UK formally subscribed to the Agreement on Social Policy, which allowed it to be included with minor amendments as the Social Chapter of the 1997 Treaty of Amsterdam. The UK subsequently adopted the main legislation previously agreed under the Agreement on Social Policy, the 1994 Works Council Directive, which required workforce consultation in businesses, and the 1996 Parental Leave Directive. In the 10 years following the 1997 Treaty of Amsterdam and adoption of the Social Chapter the European Union has undertaken policy initiatives in various social policy areas, including labour and industry relations, equal opportunity, health and safety, public health, protection of children, the disabled and elderly, poverty, migrant workers, education, training and youth.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What lead to the UK to subscribe to the agreement on Social Policy?


Read this: Internet2 is a not-for-profit United States computer networking consortium led by members from the research and education communities, industry, and government. The Internet2 community, in partnership with Qwest, built the first Internet2 Network, called Abilene, in 1998 and was a prime investor in the National LambdaRail (NLR) project. In 2006, Internet2 announced a partnership with Level 3 Communications to launch a brand new nationwide network, boosting its capacity from 10 Gbit/s to 100 Gbit/s. In October, 2007, Internet2 officially retired Abilene and now refers to its new, higher capacity network as the Internet2 Network.

Who did Internet2 partner with to boost their capacity from 100 Gbit/s to 1000 Gbit/s?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: Britain's imperialist ambitions can be seen as early as the sixteenth century. In 1599 the British East India Company was established and was chartered by Queen Elizabeth in the following year. With the establishment of trading posts in India, the British were able to maintain strength relative to others empires such as the Portuguese who already had set up trading posts in India. In 1767 political activity caused exploitation of the East India Company causing the plundering of the local economy, almost bringing the company into bankruptcy.

When was the British East India Company established?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: Braddock (with George Washington as one of his aides) led about 1,500 army troops and provincial militia on an expedition in June 1755 to take Fort Duquesne. The expedition was a disaster. It was attacked by French and Indian soldiers ambushing them from up in trees and behind logs. Braddock called for a retreat. He was killed. Approximately 1,000 British soldiers were killed or injured. The remaining 500 British troops, led by George Washington, retreated to Virginia. Two future opponents in the American Revolutionary War, Washington and Thomas Gage, played key roles in organizing the retreat.

How much success did this expedition with Braddock find?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: What we now call gravity was not identified as a universal force until the work of Isaac Newton. Before Newton, the tendency for objects to fall towards the Earth was not understood to be related to the motions of celestial objects. Galileo was instrumental in describing the characteristics of falling objects by determining that the acceleration of every object in free-fall was constant and independent of the mass of the object. Today, this acceleration due to gravity towards the surface of the Earth is usually designated as  and has a magnitude of about 9.81 meters per second squared (this measurement is taken from sea level and may vary depending on location), and points toward the center of the Earth. This observation means that the force of gravity on an object at the Earth's surface is directly proportional to the object's mass. Thus an object that has a mass of  will experience a force:
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): How fast do objects fall on Earth?


Ctenophora (/tᵻˈnɒfərə/; singular ctenophore, /ˈtɛnəfɔːr/ or /ˈtiːnəfɔːr/; from the Greek κτείς kteis 'comb' and φέρω pherō 'carry'; commonly known as comb jellies) is a phylum of animals that live in marine waters worldwide. Their most distinctive feature is the ‘combs’ – groups of cilia which they use for swimming – they are the largest animals that swim by means of cilia. Adults of various species range from a few millimeters to 1.5 m (4 ft 11 in) in size. Like cnidarians, their bodies consist of a mass of jelly, with one layer of cells on the outside and another lining the internal cavity. In ctenophores, these layers are two cells deep, while those in cnidarians are only one cell deep. Some authors combined ctenophores and cnidarians in one phylum, Coelenterata, as both groups rely on water flow through the body cavity for both digestion and respiration. Increasing awareness of the differences persuaded more recent authors to classify them as separate phyla.
What is the most distinctive feature of cnidarians? (If the question is unanswerable, say "unanswerable")


On 1 February 2007, the eve of the publication of IPCC's major report on climate, a study was published suggesting that temperatures and sea levels have been rising at or above the maximum rates proposed during the last IPCC report in 2001. The study compared IPCC 2001 projections on temperature and sea level change with observations. Over the six years studied, the actual temperature rise was near the top end of the range given by IPCC's 2001 projection, and the actual sea level rise was above the top of the range of the IPCC projection.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): Which projection overstated the rate at which temperatures would rise?


At the beginning of the 20th century, important advancement in geological science was facilitated by the ability to obtain accurate absolute dates to geologic events using radioactive isotopes and other methods. This changed the understanding of geologic time. Previously, geologists could only use fossils and stratigraphic correlation to date sections of rock relative to one another. With isotopic dates it became possible to assign absolute ages to rock units, and these absolute dates could be applied to fossil sequences in which there was datable material, converting the old relative ages into new absolute ages.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When was the ability to use radioactive isotopes to date rock formations developed?


In 1096, Crusaders passing by the siege of Amalfi were joined by Bohemond of Taranto and his nephew Tancred with an army of Italo-Normans. Bohemond was the de facto leader of the Crusade during its passage through Asia Minor. After the successful Siege of Antioch in 1097, Bohemond began carving out an independent principality around that city. Tancred was instrumental in the conquest of Jerusalem and he worked for the expansion of the Crusader kingdom in Transjordan and the region of Galilee.[citation needed]
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When did Tancred lay siege to Antioch?


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Around 1685, Huguenot refugees found a safe haven in the Lutheran and Reformed states in Germany and Scandinavia. Nearly 50,000 Huguenots established themselves in Germany, 20,000 of whom were welcomed in Brandenburg-Prussia, where they were granted special privileges (Edict of Potsdam) and churches in which to worship (such as the Church of St. Peter and St. Paul, Angermünde) by Frederick William, Elector of Brandenburg and Duke of Prussia. The Huguenots furnished two new regiments of his army: the Altpreußische Infantry Regiments No. 13 (Regiment on foot Varenne) and 15 (Regiment on foot Wylich). Another 4,000 Huguenots settled in the German territories of Baden, Franconia (Principality of Bayreuth, Principality of Ansbach), Landgraviate of Hesse-Kassel, Duchy of Württemberg, in the Wetterau Association of Imperial Counts, in the Palatinate and Palatinate-Zweibrücken, in the Rhine-Main-Area (Frankfurt), in modern-day Saarland; and 1,500 found refuge in Hamburg, Bremen and Lower Saxony. Three hundred refugees were granted asylum at the court of George William, Duke of Brunswick-Lüneburg in Celle.

What military impact did Huguenot immigration have on Frederick's army?


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For many geologic applications, isotope ratios of radioactive elements are measured in minerals that give the amount of time that has passed since a rock passed through its particular closure temperature, the point at which different radiometric isotopes stop diffusing into and out of the crystal lattice. These are used in geochronologic and thermochronologic studies. Common methods include uranium-lead dating, potassium-argon dating, argon-argon dating and uranium-thorium dating. These methods are used for a variety of applications. Dating of lava and volcanic ash layers found within a stratigraphic sequence can provide absolute age data for sedimentary rock units which do not contain radioactive isotopes and calibrate relative dating techniques. These methods can also be used to determine ages of pluton emplacement. Thermochemical techniques can be used to determine temperature profiles within the crust, the uplift of mountain ranges, and paleotopography.

What is the crystal lattice made out of?


The IPCC process on climate change and its efficiency and success has been compared with dealings with other environmental challenges (compare Ozone depletion and global warming). In case of the Ozone depletion global regulation based on the Montreal Protocol has been successful, in case of Climate Change, the Kyoto Protocol failed. The Ozone case was used to assess the efficiency of the IPCC process. The lockstep situation of the IPCC is having built a broad science consensus while states and governments still follow different, if not opposing goals. The underlying linear model of policy-making of more knowledge we have, the better the political response will be is being doubted.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What process do both science and governments follow?


Steam engine:

The first full-scale working railway steam locomotive was built by Richard Trevithick in the United Kingdom and, on 21 February 1804, the world's first railway journey took place as Trevithick's unnamed steam locomotive hauled a train along the tramway from the Pen-y-darren ironworks, near Merthyr Tydfil to Abercynon in south Wales. The design incorporated a number of important innovations that included using high-pressure steam which reduced the weight of the engine and increased its efficiency. Trevithick visited the Newcastle area later in 1804 and the colliery railways in north-east England became the leading centre for experimentation and development of steam locomotives.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". In what country was a full-scale working railway steam centre first invented?


Warsaw (Polish: Warszawa [varˈʂava] ( listen); see also other names) is the capital and largest city of Poland. It stands on the Vistula River in east-central Poland, roughly 260 kilometres (160 mi) from the Baltic Sea and 300 kilometres (190 mi) from the Carpathian Mountains. Its population is estimated at 1.740 million residents within a greater metropolitan area of 2.666 million residents, which makes Warsaw the 9th most-populous capital city in the European Union. The city limits cover 516.9 square kilometres (199.6 sq mi), while the metropolitan area covers 6,100.43 square kilometres (2,355.39 sq mi).
How many people live in Carpathia? (If the question is unanswerable, say "unanswerable")


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Some of the income was dispensed in the form of aid to other underdeveloped nations whose economies had been caught between higher oil prices and lower prices for their own export commodities, amid shrinking Western demand. Much went for arms purchases that exacerbated political tensions, particularly in the Middle East. Saudi Arabia spent over 100 billion dollars in the ensuing decades for helping spread its fundamentalist interpretation of Islam, known as Wahhabism, throughout the world, via religious charities such al-Haramain Foundation, which often also distributed funds to violent Sunni extremist groups such as Al-Qaeda and the Taliban.

What is one reason that Al-Qaeda received aid from Sunni extremists?


Read this: The Chinese medical tradition of the Yuan had "Four Great Schools" that the Yuan inherited from the Jin dynasty. All four schools were based on the same intellectual foundation, but advocated different theoretical approaches toward medicine. Under the Mongols, the practice of Chinese medicine spread to other parts of the empire. Chinese physicians were brought along military campaigns by the Mongols as they expanded towards the west. Chinese medical techniques such as acupuncture, moxibustion, pulse diagnosis, and various herbal drugs and elixirs were transmitted westward to the Middle East and the rest of the empire. Several medical advances were made in the Yuan period. The physician Wei Yilin (1277–1347) invented a suspension method for reducing dislocated joints, which he performed using anesthetics. The Mongol physician Hu Sihui described the importance of a healthy diet in a 1330 medical treatise.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"):  How did the Yuan come to have the 8 schools of medicine?


The Rhine emerges from Lake Constance, flows generally westward, as the Hochrhein, passes the Rhine Falls, and is joined by its major tributary, the river Aare. The Aare more than doubles the Rhine's water discharge, to an average of nearly 1,000 m3/s (35,000 cu ft/s), and provides more than a fifth of the discharge at the Dutch border. The Aare also contains the waters from the 4,274 m (14,022 ft) summit of Finsteraarhorn, the highest point of the Rhine basin. The Rhine roughly forms the German-Swiss border from Lake Constance with the exceptions of the canton of Schaffhausen and parts of the cantons of Zürich and Basel-Stadt, until it turns north at the so-called Rhine knee at Basel, leaving Switzerland.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): The Rhine gets how much water from the Aare?


Private schools are often Anglican, such as King's College and Diocesan School for Girls in Auckland, St Paul's Collegiate School in Hamilton, St Peter's School in Cambridge, Samuel Marsden Collegiate School in Wellington, and Christ's College and St Margaret's College in Christchurch; or Presbyterian, such as Saint Kentigern College and St Cuthbert's College in Auckland, Scots College and Queen Margaret College in Wellington, and St Andrew's College and Rangi Ruru Girls' School in Christchurch. Academic Colleges Group is a recent group of private schools run as a business, with schools throughout Auckland, including ACG Senior College in Auckland’s CBD, ACG Parnell College in Parnell, and international school ACG New Zealand International College. There are three private schools (including the secondary school, St Dominic's College) operated by the Catholic schismatic group, the Society of St Pius X in Wanganui.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Where is Samuel Marsden Collegiate School located?


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In the meantime, on August 1, 1774, an experiment conducted by the British clergyman Joseph Priestley focused sunlight on mercuric oxide (HgO) inside a glass tube, which liberated a gas he named "dephlogisticated air". He noted that candles burned brighter in the gas and that a mouse was more active and lived longer while breathing it. After breathing the gas himself, he wrote: "The feeling of it to my lungs was not sensibly different from that of common air, but I fancied that my breast felt peculiarly light and easy for some time afterwards." Priestley published his findings in 1775 in a paper titled "An Account of Further Discoveries in Air" which was included in the second volume of his book titled Experiments and Observations on Different Kinds of Air. Because he published his findings first, Priestley is usually given priority in the discovery.

What was the occupation of Joseph Priestley?


Maududi also believed that Muslim society could not be Islamic without Sharia, and Islam required the establishment of an Islamic state. This state should be a "theo-democracy," based on the principles of: tawhid (unity of God), risala (prophethood) and khilafa (caliphate). Although Maududi talked about Islamic revolution, by "revolution" he meant not the violence or populist policies of the Iranian Revolution, but the gradual changing the hearts and minds of individuals from the top of society downward through an educational process or da'wah.
Try to answer this question if possible (otherwise reply "unanswerable"):  What type of revolution did Maududi not advocate?


The judicial branch of the EU has played an important role in the development of EU law, by assuming the task of interpreting the treaties, and accelerating economic and political integration. Today the Court of Justice of the European Union (CJEU) is the main judicial body, within which there is a higher European Court of Justice (commonly abbreviated as ECJ) that deals with cases that contain more public importance, and a General Court that deals with issues of detail but without general importance. There is also a Civil Service Tribunal to deal with EU staff issues, and then a separate Court of Auditors. Under the Treaty on European Union article 19(2) there is one judge from each member state, 28 at present, who are supposed to "possess the qualifications required for appointment to the highest judicial offices" (or for the General Court, the "ability required for appointment to high judicial office"). A president is elected by the judges for three years. Under TEU article 19(3) is to be the ultimate court to interpret questions of EU law. In fact, most EU law is applied by member state courts (the English Court of Appeal, the German Bundesgerichtshof, the Belgian Cour du travail, etc.) but they can refer questions to the EU court for a preliminary ruling. The CJEU's duty is to "ensure that in the interpretation and application of the Treaties the law is observed", although realistically it has the ability to expand and develop the law according to the principles it deems to be appropriate. Arguably this has been done through both seminal and controversial judgments, including Van Gend en Loos, Mangold v Helm, and Kadi v Commission.

Answer this question, if possible (if impossible, reply "unanswerable"): What is the CJEU's duty?


Southern California, often abbreviated SoCal, is a geographic and cultural region that generally comprises California's southernmost 10 counties. The region is traditionally described as "eight counties", based on demographics and economic ties: Imperial, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara, and Ventura. The more extensive 10-county definition, including Kern and San Luis Obispo counties, is also used based on historical political divisions. Southern California is a major economic center for the state of California and the United States.
Try to answer this question if possible (otherwise reply "unanswerable"): What counties does the more extensive eight county definition of SoCal include?


Pharmacy:

In Japan, at the end of the Asuka period (538–710) and the early Nara period (710–794), the men who fulfilled roles similar to those of modern pharmacists were highly respected. The place of pharmacists in society was expressly defined in the Taihō Code (701) and re-stated in the Yōrō Code (718). Ranked positions in the pre-Heian Imperial court were established; and this organizational structure remained largely intact until the Meiji Restoration (1868). In this highly stable hierarchy, the pharmacists—and even pharmacist assistants—were assigned status superior to all others in health-related fields such as physicians and acupuncturists. In the Imperial household, the pharmacist was even ranked above the two personal physicians of the Emperor.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What removed a hierarchical structure?


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Sir Charles Lyell first published his famous book, Principles of Geology, in 1830. This book, which influenced the thought of Charles Darwin, successfully promoted the doctrine of uniformitarianism. This theory states that slow geological processes have occurred throughout the Earth's history and are still occurring today. In contrast, catastrophism is the theory that Earth's features formed in single, catastrophic events and remained unchanged thereafter. Though Hutton believed in uniformitarianism, the idea was not widely accepted at the time.

What did Charles Darwin publish in 1830?


Computational complexity theory:

It was shown by Ladner that if P ≠ NP then there exist problems in NP that are neither in P nor NP-complete. Such problems are called NP-intermediate problems. The graph isomorphism problem, the discrete logarithm problem and the integer factorization problem are examples of problems believed to be NP-intermediate. They are some of the very few NP problems not known to be in P or to be NP-complete.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What is an example of an NP-intermediate problem not known to exist in P or NP-complete?


What intractability means in practice is open to debate. Saying that a problem is not in P does not imply that all large cases of the problem are hard or even that most of them are. For example, the decision problem in Presburger arithmetic has been shown not to be in P, yet algorithms have been written that solve the problem in reasonable times in most cases. Similarly, algorithms can solve the NP-complete knapsack problem over a wide range of sizes in less than quadratic time and SAT solvers routinely handle large instances of the NP-complete Boolean satisfiability problem.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): How quickly can an algorithm solve an NP-complete knapsack problem?


Read this: In contrast to product requirements or other laws that hinder market access, the Court of Justice developed a presumption that "selling arrangements" would be presumed to not fall into TFEU article 34, if they applied equally to all sellers, and affected them in the same manner in fact. In Keck and Mithouard two importers claimed that their prosecution under a French competition law, which prevented them selling Picon beer under wholesale price, was unlawful. The aim of the law was to prevent cut throat competition, not to hinder trade. The Court of Justice held, as "in law and in fact" it was an equally applicable "selling arrangement" (not something that alters a product's content) it was outside the scope of article 34, and so did not need to be justified. Selling arrangements can be held to have an unequal effect "in fact" particularly where traders from another member state are seeking to break into the market, but there are restrictions on advertising and marketing. In Konsumentombudsmannen v De Agostini the Court of Justice reviewed Swedish bans on advertising to children under age 12, and misleading commercials for skin care products. While the bans have remained (justifiable under article 36 or as a mandatory requirement) the Court emphasised that complete marketing bans could be disproportionate if advertising were "the only effective form of promotion enabling [a trader] to penetrate" the market. In Konsumentombudsmannen v Gourmet AB the Court suggested that a total ban for advertising alcohol on the radio, TV and in magazines could fall within article 34 where advertising was the only way for sellers to overcome consumers' "traditional social practices and to local habits and customs" to buy their products, but again the national courts would decide whether it was justified under article 36 to protect public health. Under the Unfair Commercial Practices Directive, the EU harmonised restrictions on restrictions on marketing and advertising, to forbid conduct that distorts average consumer behaviour, is misleading or aggressive, and sets out a list of examples that count as unfair. Increasingly, states have to give mutual recognition to each other's standards of regulation, while the EU has attempted to harmonise minimum ideals of best practice. The attempt to raise standards is hoped to avoid a regulatory "race to the bottom", while allowing consumers access to goods from around the continent.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): Which two importers claimed that under a French competition law, they were prevented from selling Picon beer under wholesale price?


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The mouth of the Rhine into Lake Constance forms an inland delta. The delta is delimited in the West by the Alter Rhein ("Old Rhine") and in the East by a modern canalized section. Most of the delta is a nature reserve and bird sanctuary. It includes the Austrian towns of Gaißau, Höchst and Fußach. The natural Rhine originally branched into at least two arms and formed small islands by precipitating sediments. In the local Alemannic dialect, the singular is pronounced "Isel" and this is also the local pronunciation of Esel ("Donkey"). Many local fields have an official name containing this element.

What is the Almannic dialect to describe the islands outside in Austria?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

The definition of imperialism has not been finalized for centuries and was confusedly seen to represent the policies of major powers, or simply, general-purpose aggressiveness. Further on, some writers[who?] used the term imperialism, in slightly more discriminating fashion, to mean all kinds of domination or control by a group of people over another. To clear out this confusion about the definition of imperialism one could speak of "formal" and "informal" imperialism, the first meaning physical control or "full-fledged colonial rule" while the second implied less direct rule though still containing perceivable kinds of dominance. Informal rule is generally less costly than taking over territories formally. This is because, with informal rule, the control is spread more subtly through technological superiority, enforcing land officials into large debts that cannot be repaid, ownership of private industries thus expanding the controlled area, or having countries agree to uneven trade agreements forcefully.

What subtle tool can not be used in an informal imperialistic situation to expand a controlled area?


The unproven Riemann hypothesis, dating from 1859, states that except for s = −2, −4, ..., all zeroes of the ζ-function have real part equal to 1/2. The connection to prime numbers is that it essentially says that the primes are as regularly distributed as possible.[clarification needed] From a physical viewpoint, it roughly states that the irregularity in the distribution of primes only comes from random noise. From a mathematical viewpoint, it roughly states that the asymptotic distribution of primes (about x/log x of numbers less than x are primes, the prime number theorem) also holds for much shorter intervals of length about the square root of x (for intervals near x). This hypothesis is generally believed to be correct. In particular, the simplest assumption is that primes should have no significant irregularities without good reason.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What type of zero distribution is characterized about x/log x of numbers less than x?


Computational complexity theory:

But bounding the computation time above by some concrete function f(n) often yields complexity classes that depend on the chosen machine model. For instance, the language {xx | x is any binary string} can be solved in linear time on a multi-tape Turing machine, but necessarily requires quadratic time in the model of single-tape Turing machines. If we allow polynomial variations in running time, Cobham-Edmonds thesis states that "the time complexities in any two reasonable and general models of computation are polynomially related" (Goldreich 2008, Chapter 1.2). This forms the basis for the complexity class P, which is the set of decision problems solvable by a deterministic Turing machine within polynomial time. The corresponding set of function problems is FP.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What can not be solved in linear time on multi-tape Turing machine?


In the triplet form, O
2 molecules are paramagnetic. That is, they impart magnetic character to oxygen when it is in the presence of a magnetic field, because of the spin magnetic moments of the unpaired electrons in the molecule, and the negative exchange energy between neighboring O
2 molecules. Liquid oxygen is attracted to a magnet to a sufficient extent that, in laboratory demonstrations, a bridge of liquid oxygen may be supported against its own weight between the poles of a powerful magnet.[c]

Answer this question, if possible (if impossible, reply "unanswerable"): What kind of field is necessary to produce a magnet effect in oxygen molecules?


Read this: After the revocation of the Edict of Nantes, the Dutch Republic received the largest group of Huguenot refugees, an estimated total of 75,000 to 100,000 people. Amongst them were 200 clergy. Many came from the region of the Cévennes, for instance, the village of Fraissinet-de-Lozère. This was a huge influx as the entire population of the Dutch Republic amounted to ca. 2 million at that time. Around 1700, it is estimated that nearly 25% of the Amsterdam population was Huguenot.[citation needed] In 1705, Amsterdam and the area of West Frisia were the first areas to provide full citizens rights to Huguenot immigrants, followed by the Dutch Republic in 1715. Huguenots intermarried with Dutch from the outset.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): What two areas in the Republic were first to grant rights to the Huguenots?


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Another important library – the University Library, founded in 1816, is home to over two million items. The building was designed by architects Marek Budzyński and Zbigniew Badowski and opened on 15 December 1999. It is surrounded by green. The University Library garden, designed by Irena Bajerska, was opened on 12 June 2002. It is one of the largest and most beautiful roof gardens in Europe with an area of more than 10,000 m2 (107,639.10 sq ft), and plants covering 5,111 m2 (55,014.35 sq ft). As the university garden it is open to the public every day.

Who designed the garden for the Marek Library?


Read this: The "West Side" of Fresno, also often called "Southwest Fresno", is one of the oldest neighborhoods in the city. The neighborhood lies southwest of the 99 freeway (which divides it from Downtown Fresno), west of the 41 freeway and south of Nielsen Ave (or the newly constructed 180 Freeway), and extends to the city limits to the west and south. The neighborhood is traditionally considered to be the center of Fresno's African-American community. It is culturally diverse and also includes significant Mexican-American and Asian-American (principally Hmong or Laotian) populations.

What divides Downtown Fresno?
What is the answer? (If it cannot be answered, return "unanswerable")


The academic bodies of the University of Chicago consist of the College, four divisions of graduate research and seven professional schools. The university also contains a library system, the University of Chicago Press, the University of Chicago Laboratory Schools, and the University of Chicago Medical Center, and holds ties with a number of independent academic institutions, including Fermilab, Argonne National Laboratory, and the Marine Biological Laboratory. The university is accredited by The Higher Learning Commission.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): By which Commission is the University of Chicago Press accredited?


Fresno, California:

While many homes in the neighborhood date back to the 1930s or before, the neighborhood is also home to several public housing developments built between the 1960s and 1990s by the Fresno Housing Authority. The US Department of Housing and Urban Development has also built small subdivisions of single-family homes in the area for purchase by low-income working families. There have been numerous attempts to revitalize the neighborhood, including the construction of a modern shopping center on the corner of Fresno and B streets, an aborted attempt to build luxury homes and a golf course on the western edge of the neighborhood, and some new section 8 apartments have been built along Church Ave west of Elm St. Cargill Meat Solutions and Foster Farms both have large processing facilities in the neighborhood, and the stench from these (and other small industrial facilities) has long plagued area residents. The Fresno Chandler Executive Airport is also on the West Side. Due to its position on the edge of the city and years of neglect by developers, is not a true "inner-city" neighborhood, and there are many vacant lots, strawberry fields and vineyards throughout the neighborhood. The neighborhood has very little retail activity, aside from the area near Fresno Street and State Route 99 Freeway (Kearney Palm Shopping Center, built in the late 1990s) and small corner markets scattered throughout.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". On which corner is the shopping center located?


The Black Death ravaged much of the Islamic world. Plague was present in at least one location in the Islamic world virtually every year between 1500 and 1850. Plague repeatedly struck the cities of North Africa. Algiers lost 30 to 50 thousand inhabitants to it in 1620–21, and again in 1654–57, 1665, 1691, and 1740–42. Plague remained a major event in Ottoman society until the second quarter of the 19th century. Between 1701 and 1750, thirty-seven larger and smaller epidemics were recorded in Constantinople, and an additional thirty-one between 1751 and 1800. Baghdad has suffered severely from visitations of the plague, and sometimes two-thirds of its population has been wiped out.
How many people, at most, have died of plague in Baghdad?  (If the question is unanswerable, say "unanswerable")


are prime for any natural number n. Here  represents the floor function, i.e., largest integer not greater than the number in question. The latter formula can be shown using Bertrand's postulate (proven first by Chebyshev), which states that there always exists at least one prime number p with n < p < 2n − 2, for any natural number n > 3. However, computing A or μ requires the knowledge of infinitely many primes to begin with. Another formula is based on Wilson's theorem and generates the number 2 many times and all other primes exactly once.
Try to answer this question if possible (otherwise reply "unanswerable"): For what size natural number does Bertrand's postulate hold?


Yuan dynasty:

Due to the fact that the bureaucracy was dominated by El Temür, Tugh Temür is known for his cultural contribution instead. He adopted many measures honoring Confucianism and promoting Chinese cultural values. His most concrete effort to patronize Chinese learning was founding the Academy of the Pavilion of the Star of Literature (Chinese: 奎章閣學士院), first established in the spring of 1329 and designed to undertake "a number of tasks relating to the transmission of Confucian high culture to the Mongolian imperial establishment". The academy was responsible for compiling and publishing a number of books, but its most important achievement was its compilation of a vast institutional compendium named Jingshi Dadian (Chinese: 經世大典). Tugh Temür supported Zhu Xi's Neo-Confucianism and also devoted himself in Buddhism.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What was the most notable publication of Tugh's academy?


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The first European to travel the length of the Amazon River was Francisco de Orellana in 1542. The BBC's Unnatural Histories presents evidence that Orellana, rather than exaggerating his claims as previously thought, was correct in his observations that a complex civilization was flourishing along the Amazon in the 1540s. It is believed that the civilization was later devastated by the spread of diseases from Europe, such as smallpox. Since the 1970s, numerous geoglyphs have been discovered on deforested land dating between AD 0–1250, furthering claims about Pre-Columbian civilizations. Ondemar Dias is accredited with first discovering the geoglyphs in 1977 and Alceu Ranzi with furthering their discovery after flying over Acre. The BBC's Unnatural Histories presented evidence that the Amazon rainforest, rather than being a pristine wilderness, has been shaped by man for at least 11,000 years through practices such as forest gardening and terra preta.

Who is given credit for discovering geoglyphs along the Amazon River?


Connection-oriented transmission requires a setup phase in each involved node before any packet is transferred to establish the parameters of communication. The packets include a connection identifier rather than address information and are negotiated between endpoints so that they are delivered in order and with error checking. Address information is only transferred to each node during the connection set-up phase, when the route to the destination is discovered and an entry is added to the switching table in each network node through which the connection passes. The signaling protocols used allow the application to specify its requirements and discover link parameters. Acceptable values for service parameters may be negotiated. Routing a packet requires the node to look up the connection id in a table. The packet header can be small, as it only needs to contain this code and any information, such as length, timestamp, or sequence number, which is different for different packets.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Why is the node requiered to look up


Approximately one million Protestants in modern France represent some 2% of its population. Most are concentrated in Alsace in northeast France and the Cévennes mountain region in the south, who still regard themselves as Huguenots to this day.[citation needed] A diaspora of French Australians still considers itself Huguenot, even after centuries of exile. Long integrated into Australian society, it is encouraged by the Huguenot Society of Australia to embrace and conserve its cultural heritage, aided by the Society's genealogical research services.
What country currently has a group who call themselves Huguenots? (If the question is unanswerable, say "unanswerable")


Read this and answer the question. If the question is unanswerable, say "unanswerable".

Effects of inequality researchers have found include higher rates of health and social problems, and lower rates of social goods, a lower level of economic utility in society from resources devoted on high-end consumption, and even a lower level of economic growth when human capital is neglected for high-end consumption. For the top 21 industrialised countries, counting each person equally, life expectancy is lower in more unequal countries (r = -.907). A similar relationship exists among US states (r = -.620).

In U.S. states, what happens to the life expectancy in more economically equal ones?


An oscillating cylinder steam engine is a variant of the simple expansion steam engine which does not require valves to direct steam into and out of the cylinder. Instead of valves, the entire cylinder rocks, or oscillates, such that one or more holes in the cylinder line up with holes in a fixed port face or in the pivot mounting (trunnion). These engines are mainly used in toys and models, because of their simplicity, but have also been used in full size working engines, mainly on ships where their compactness is valued.[citation needed]
Where, along with toys, are oscillating cylinder port faces typically used? (If the question is unanswerable, say "unanswerable")


What is a question about this article? If the question is unanswerable, say "unanswerable".

In literature, author of the New York Times bestseller Before I Fall Lauren Oliver, Pulitzer Prize winning novelist Philip Roth, Canadian-born Pulitzer Prize and Nobel Prize for Literature winning writer Saul Bellow, political philosopher, literary critic and author of the New York Times bestseller "The Closing of the American Mind" Allan Bloom, ''The Good War" author Studs Terkel, American writer, essayist, filmmaker, teacher, and political activist Susan Sontag, analytic philosopher and Stanford University Professor of Comparative Literature Richard Rorty, and American writer and satirist Kurt Vonnegut are notable alumni.

What is the name of the American writer and satirist who is also a university alumni?


Read this: A construction project is a complex net of contracts and other legal obligations, each of which all parties must carefully consider. A contract is the exchange of a set of obligations between two or more parties, but it is not so simple a matter as trying to get the other side to agree to as much as possible in exchange for as little as possible. The time element in construction means that a delay costs money, and in cases of bottlenecks, the delay can be extremely expensive. Thus, the contracts must be designed to ensure that each side is capable of performing the obligations set out. Contracts that set out clear expectations and clear paths to accomplishing those expectations are far more likely to result in the project flowing smoothly, whereas poorly drafted contracts lead to confusion and collapse.

Contracts must be designed to ensure what?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this and answer the question. If the question is unanswerable, say "unanswerable".

In science, alumni include astronomers Carl Sagan, a prominent contributor to the scientific research of extraterrestrial life, and Edwin Hubble, known for "Hubble's Law", NASA astronaut John M. Grunsfeld, geneticist James Watson, best known as one of the co-discoverers of the structure of DNA, experimental physicist Luis Alvarez, popular environmentalist David Suzuki, balloonist Jeannette Piccard, biologists Ernest Everett Just and Lynn Margulis, computer scientist Richard Hamming, the creator of the Hamming Code, lithium-ion battery developer John B. Goodenough, mathematician and Fields Medal recipient Paul Joseph Cohen, and geochemist Clair Cameron Patterson, who developed the uranium-lead dating method into lead-lead dating. Nuclear physicist and researcher Stanton Friedman, who worked on some early projects involving nuclear-powered spacecraft propulsion systems, is also a graduate (M.Sc).

Who developed the lithium-ion battery?


To the east is the Colorado Desert and the Colorado River at the border with Arizona, and the Mojave Desert at the border with the state of Nevada. To the south is the Mexico–United States border.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What is the name of the desert near the border of Nevada?


Historically, Victoria has been the base for the manufacturing plants of the major car brands Ford, Toyota and Holden; however, closure announcements by all three companies in the 21st century will mean that Australia will no longer be a base for the global car industry, with Toyota's statement in February 2014 outlining a closure year of 2017. Holden's announcement occurred in May 2013, followed by Ford's decision in December of the same year (Ford's Victorian plants—in Broadmeadows and Geelong—will close in October 2016).
Try to answer this question if possible (otherwise reply "unanswerable"): What type of manufacturing plant is Victoria getting soon?


Read this: All of these processes do not necessarily occur in a single environment, and do not necessarily occur in a single order. The Hawaiian Islands, for example, consist almost entirely of layered basaltic lava flows. The sedimentary sequences of the mid-continental United States and the Grand Canyon in the southwestern United States contain almost-undeformed stacks of sedimentary rocks that have remained in place since Cambrian time. Other areas are much more geologically complex. In the southwestern United States, sedimentary, volcanic, and intrusive rocks have been metamorphosed, faulted, foliated, and folded. Even older rocks, such as the Acasta gneiss of the Slave craton in northwestern Canada, the oldest known rock in the world have been metamorphosed to the point where their origin is undiscernable without laboratory analysis. In addition, these processes can occur in stages. In many places, the Grand Canyon in the southwestern United States being a very visible example, the lower rock units were metamorphosed and deformed, and then deformation ended and the upper, undeformed units were deposited. Although any amount of rock emplacement and rock deformation can occur, and they can occur any number of times, these concepts provide a guide to understanding the geological history of an area.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): Where is the oldest known rock in the world located?


Kublai's government after 1262 was a compromise between preserving Mongol interests in China and satisfying the demands of his Chinese subjects. He instituted the reforms proposed by his Chinese advisers by centralizing the bureaucracy, expanding the circulation of paper money, and maintaining the traditional monopolies on salt and iron. He restored the Imperial Secretariat and left the local administrative structure of past Chinese dynasties unchanged. However, Kublai rejected plans to revive the Confucian imperial examinations and divided Yuan society into three, later four, classes with the Han Chinese occupying the lowest rank. Kublai's Chinese advisers still wielded significant power in the government, but their official rank was nebulous.

Answer this question, if possible (if impossible, reply "unanswerable"):  How many societal class divisions were in the plan Kublai approved?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

The most widely accepted estimate for the Middle East, including Iraq, Iran and Syria, during this time, is for a death rate of about a third. The Black Death killed about 40% of Egypt's population. Half of Paris's population of 100,000 people died. In Italy, the population of Florence was reduced from 110–120 thousand inhabitants in 1338 down to 50 thousand in 1351. At least 60% of the population of Hamburg and Bremen perished, and a similar percentage of Londoners may have died from the disease as well. Interestingly while contemporary reports account of mass burial pits being created in response to the large numbers of dead, recent scientific investigations of a burial pit in Central London found well-preserved individuals to be buried in isolated, evenly spaced graves, suggesting at least some pre-planning and Christian burials at this time. Before 1350, there were about 170,000 settlements in Germany, and this was reduced by nearly 40,000 by 1450. In 1348, the plague spread so rapidly that before any physicians or government authorities had time to reflect upon its origins, about a third of the European population had already perished. In crowded cities, it was not uncommon for as much as 50% of the population to die. The disease bypassed some areas, and the most isolated areas were less vulnerable to contagion. Monks and priests were especially hard hit since they cared for victims of the Black Death.

What do isolated, spaced out graves of plague victims indicate?


By the 6th century, the Rhine was within the borders of Francia. In the 9th, it formed part of the border between Middle and Western Francia, but in the 10th century, it was fully within the Holy Roman Empire, flowing through Swabia, Franconia and Lower Lorraine. The mouths of the Rhine, in the county of Holland, fell to the Burgundian Netherlands in the 15th century; Holland remained contentious territory throughout the European wars of religion and the eventual collapse of the Holy Roman Empire, when the length of the Rhine fell to the First French Empire and its client states. The Alsace on the left banks of the Upper Rhine was sold to Burgundy by Archduke Sigismund of Austria in 1469 and eventually fell to France in the Thirty Years' War. The numerous historic castles in Rhineland-Palatinate attest to the importance of the river as a commercial route.
When was the Upper Rhine sold to Burgundy? (If the question is unanswerable, say "unanswerable")


Read this and answer the question. If the question is unanswerable, say "unanswerable".

For a precise definition of what it means to solve a problem using a given amount of time and space, a computational model such as the deterministic Turing machine is used. The time required by a deterministic Turing machine M on input x is the total number of state transitions, or steps, the machine makes before it halts and outputs the answer ("yes" or "no"). A Turing machine M is said to operate within time f(n), if the time required by M on each input of length n is at most f(n). A decision problem A can be solved in time f(n) if there exists a Turing machine operating in time f(n) that solves the problem. Since complexity theory is interested in classifying problems based on their difficulty, one defines sets of problems based on some criteria. For instance, the set of problems solvable within time f(n) on a deterministic Turing machine is then denoted by DTIME(f(n)).

What is the expression used to identify any given series of problems capable of being solved within time on a deterministic Turing machine?


Several commemorative events take place every year. Gatherings of thousands of people on the banks of the Vistula on Midsummer’s Night for a festival called Wianki (Polish for Wreaths) have become a tradition and a yearly event in the programme of cultural events in Warsaw. The festival traces its roots to a peaceful pagan ritual where maidens would float their wreaths of herbs on the water to predict when they would be married, and to whom. By the 19th century this tradition had become a festive event, and it continues today. The city council organize concerts and other events. Each Midsummer’s Eve, apart from the official floating of wreaths, jumping over fires, looking for the fern flower, there are musical performances, dignitaries' speeches, fairs and fireworks by the river bank.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What is the polish word for wreaths?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

Private schools generally prefer to be called independent schools, because of their freedom to operate outside of government and local government control. Some of these are also known as public schools. Preparatory schools in the UK prepare pupils aged up to 13 years old to enter public schools. The name "public school" is based on the fact that the schools were open to pupils from anywhere, and not merely to those from a certain locality, and of any religion or occupation. According to The Good Schools Guide approximately 9 per cent of children being educated in the UK are doing so at fee-paying schools at GSCE level and 13 per cent at A-level.[citation needed] Many independent schools are single-sex (though this is becoming less common). Fees range from under £3,000 to £21,000 and above per year for day pupils, rising to £27,000+ per year for boarders. For details in Scotland, see "Meeting the Cost".

At A-level, what percentage of British students attend fee-paying schools?


The Central Region, consisting of present-day Hebei, Shandong, Shanxi, the south-eastern part of present-day Inner Mongolia and the Henan areas to the north of the Yellow River, was considered the most important region of the dynasty and directly governed by the Central Secretariat (or Zhongshu Sheng) at Khanbaliq (modern Beijing); similarly, another top-level administrative department called the Bureau of Buddhist and Tibetan Affairs (or Xuanzheng Yuan) held administrative rule over the whole of modern-day Tibet and a part of Sichuan, Qinghai and Kashmir.

Answer this question, if possible (if impossible, reply "unanswerable"): What region of Japan is Hebei part of?


The Harvard University Library System is centered in Widener Library in Harvard Yard and comprises nearly 80 individual libraries holding over 18 million volumes. According to the American Library Association, this makes it the largest academic library in the United States, and one of the largest in the world. Cabot Science Library, Lamont Library, and Widener Library are three of the most popular libraries for undergraduates to use, with easy access and central locations. There are rare books, manuscripts and other special collections throughout Harvard's libraries; Houghton Library, the Arthur and Elizabeth Schlesinger Library on the History of Women in America, and the Harvard University Archives consist principally of rare and unique materials. America's oldest collection of maps, gazetteers, and atlases both old and new is stored in Pusey Library and open to the public. The largest collection of East-Asian language material outside of East Asia is held in the Harvard-Yenching Library.
What kind of access for undergraduates do the Harvard University Archives have? (If the question is unanswerable, say "unanswerable")


Newton's Third Law is a result of applying symmetry to situations where forces can be attributed to the presence of different objects. The third law means that all forces are interactions between different bodies,[Note 3] and thus that there is no such thing as a unidirectional force or a force that acts on only one body. Whenever a first body exerts a force F on a second body, the second body exerts a force −F on the first body. F and −F are equal in magnitude and opposite in direction. This law is sometimes referred to as the action-reaction law, with F called the "action" and −F the "reaction". The action and the reaction are simultaneous:
Try to answer this question if possible (otherwise reply "unanswerable"): What is the equality of forces between two objects exerting force on each other??


Southern California:

Orange County is a rapidly developing business center that includes Downtown Santa Ana, the South Coast Metro and Newport Center districts; as well as the Irvine business centers of The Irvine Spectrum, West Irvine, and international corporations headquartered at the University of California, Irvine. West Irvine includes the Irvine Tech Center and Jamboree Business Parks.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Jamboree Business Parks belongs to which business center?


Some Normans joined Turkish forces to aid in the destruction of the Armenians vassal-states of Sassoun and Taron in far eastern Anatolia. Later, many took up service with the Armenian state further south in Cilicia and the Taurus Mountains. A Norman named Oursel led a force of "Franks" into the upper Euphrates valley in northern Syria. From 1073 to 1074, 8,000 of the 20,000 troops of the Armenian general Philaretus Brachamius were Normans—formerly of Oursel—led by Raimbaud. They even lent their ethnicity to the name of their castle: Afranji, meaning "Franks." The known trade between Amalfi and Antioch and between Bari and Tarsus may be related to the presence of Italo-Normans in those cities while Amalfi and Bari were under Norman rule in Italy.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Where did Oursel lead the Franks?


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Oxygen storage methods include high pressure oxygen tanks, cryogenics and chemical compounds. For reasons of economy, oxygen is often transported in bulk as a liquid in specially insulated tankers, since one liter of liquefied oxygen is equivalent to 840 liters of gaseous oxygen at atmospheric pressure and 20 °C (68 °F). Such tankers are used to refill bulk liquid oxygen storage containers, which stand outside hospitals and other institutions with a need for large volumes of pure oxygen gas. Liquid oxygen is passed through heat exchangers, which convert the cryogenic liquid into gas before it enters the building. Oxygen is also stored and shipped in smaller cylinders containing the compressed gas; a form that is useful in certain portable medical applications and oxy-fuel welding and cutting.

In what form is oxygen transported in smaller containers?


What we now call gravity was not identified as a universal force until the work of Isaac Newton. Before Newton, the tendency for objects to fall towards the Earth was not understood to be related to the motions of celestial objects. Galileo was instrumental in describing the characteristics of falling objects by determining that the acceleration of every object in free-fall was constant and independent of the mass of the object. Today, this acceleration due to gravity towards the surface of the Earth is usually designated as  and has a magnitude of about 9.81 meters per second squared (this measurement is taken from sea level and may vary depending on location), and points toward the center of the Earth. This observation means that the force of gravity on an object at the Earth's surface is directly proportional to the object's mass. Thus an object that has a mass of  will experience a force:
Who came up with the concept that falling objects fell at the same speed regardless of weight? (If the question is unanswerable, say "unanswerable")


Scottish Parliament:

The first item of business on Wednesdays is usually Time for Reflection, at which a speaker addresses members for up to four minutes, sharing a perspective on issues of faith. This contrasts with the formal style of "Prayers", which is the first item of business in meetings of the House of Commons. Speakers are drawn from across Scotland and are chosen to represent the balance of religious beliefs according to the Scottish census. Invitations to address Parliament in this manner are determined by the Presiding Officer on the advice of the parliamentary bureau. Faith groups can make direct representations to the Presiding Officer to nominate speakers.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What day of the week does the Time for Reflection take place?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

Datanet 1 was the public switched data network operated by the Dutch PTT Telecom (now known as KPN). Strictly speaking Datanet 1 only referred to the network and the connected users via leased lines (using the X.121 DNIC 2041), the name also referred to the public PAD service Telepad (using the DNIC 2049). And because the main Videotex service used the network and modified PAD devices as infrastructure the name Datanet 1 was used for these services as well. Although this use of the name was incorrect all these services were managed by the same people within one department of KPN contributed to the confusion.

Strictly speaking who was included in DATANET 1


Read this: In Sweden, pupils are free to choose a private school and the private school gets paid the same amount as municipal schools. Over 10% of Swedish pupils were enrolled in private schools in 2008. Sweden is internationally known for this innovative school voucher model that provides Swedish pupils with the opportunity to choose the school they prefer. For instance, the biggest school chain, Kunskapsskolan (“The Knowledge School”), offers 30 schools and a web-based environment, has 700 employees and teaches nearly 10,000 pupils. The Swedish system has been recommended to Barack Obama.

What opportunity did Barack Obama support for Swedish children?
What is the answer? (If it cannot be answered, return "unanswerable")


What is a question about this article? If the question is unanswerable, say "unanswerable".

Past faculty have also included Egyptologist James Henry Breasted, mathematician Alberto Calderón, Nobel prize winning economist and classical liberalism defender Friedrich Hayek, meteorologist Ted Fujita, chemists Glenn T. Seaborg, the developer of the actinide concept and Nobel Prize winner Yuan T. Lee, Nobel Prize winning novelist Saul Bellow, political philosopher and author Allan Bloom, cancer researchers Charles Brenton Huggins and Janet Rowley, astronomer Gerard Kuiper, one of the most important figures in the early development of the discipline of linguistics Edward Sapir, and the founder of McKinsey & Co., James O. McKinsey.

Who developed the actinide concept?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

Genghis Khan united the Mongol and Turkic tribes of the steppes and became Great Khan in 1206. He and his successors expanded the Mongol empire across Asia. Under the reign of Genghis' third son, Ögedei Khan, the Mongols destroyed the weakened Jin dynasty in 1234, conquering most of northern China. Ögedei offered his nephew Kublai a position in Xingzhou, Hebei. Kublai was unable to read Chinese but had several Han Chinese teachers attached to him since his early years by his mother Sorghaghtani. He sought the counsel of Chinese Buddhist and Confucian advisers. Möngke Khan succeeded Ögedei's son, Güyük, as Great Khan in 1251. He granted his brother Kublai control over Mongol held territories in China. Kublai built schools for Confucian scholars, issued paper money, revived Chinese rituals, and endorsed policies that stimulated agricultural and commercial growth. He adopted as his capital city Kaiping in Inner Mongolia, later renamed Shangdu.

What was Kublai Khan's relation to Ogedei Khan?


Read this: Tymnet was an international data communications network headquartered in San Jose, CA that utilized virtual call packet switched technology and used X.25, SNA/SDLC, BSC and ASCII interfaces to connect host computers (servers)at thousands of large companies, educational institutions, and government agencies. Users typically connected via dial-up connections or dedicated async connections. The business consisted of a large public network that supported dial-up users and a private network business that allowed government agencies and large companies (mostly banks and airlines) to build their own dedicated networks. The private networks were often connected via gateways to the public network to reach locations not on the private network. Tymnet was also connected to dozens of other public networks in the U.S. and internationally via X.25/X.75 gateways. (Interesting note: Tymnet was not named after Mr. Tyme. Another employee suggested the name.)

Gateways allowed private companies to do what
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: There were 158,349 households, of which 68,511 (43.3%) had children under the age of 18 living in them, 69,284 (43.8%) were opposite-sex married couples living together, 30,547 (19.3%) had a female householder with no husband present, 11,698 (7.4%) had a male householder with no wife present. There were 12,843 (8.1%) unmarried opposite-sex partnerships, and 1,388 (0.9%) same-sex married couples or partnerships. 35,064 households (22.1%) were made up of individuals and 12,344 (7.8%) had someone living alone who was 65 years of age or older. The average household size was 3.07. There were 111,529 families (70.4% of all households); the average family size was 3.62.

How many same-sex partnerships without kids were there?
What is the answer? (If it cannot be answered, return "unanswerable")


After the founding of the colony of New South Wales in 1788, Australia was divided into an eastern half named New South Wales and a western half named New Holland, under the administration of the colonial government in Sydney. The first European settlement in the area later known as Victoria was established in October 1803 under Lieutenant-Governor David Collins at Sullivan Bay on Port Phillip. It consisted of 402 people (5 Government officials, 9 officers of marines, 2 drummers, and 39 privates, 5 soldiers' wives, and a child, 307 convicts, 17 convicts' wives, and 7 children). They had been sent from England in HMS Calcutta under the command of Captain Daniel Woodriff, principally out of fear that the French, who had been exploring the area, might establish their own settlement and thereby challenge British rights to the continent.

Answer this question, if possible (if impossible, reply "unanswerable"): Where was the location of the colonial government that administered the new colony?


Oxygen:

People who climb mountains or fly in non-pressurized fixed-wing aircraft sometimes have supplemental O
2 supplies.[h] Passengers traveling in (pressurized) commercial airplanes have an emergency supply of O
2 automatically supplied to them in case of cabin depressurization. Sudden cabin pressure loss activates chemical oxygen generators above each seat, causing oxygen masks to drop. Pulling on the masks "to start the flow of oxygen" as cabin safety instructions dictate, forces iron filings into the sodium chlorate inside the canister. A steady stream of oxygen gas is then produced by the exothermic reaction.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What type of reaction is present in the emergency oxygen generator of an airplane?


Though there is no official definition for the northern boundary of southern California, such a division has existed from the time when Mexico ruled California, and political disputes raged between the Californios of Monterey in the upper part and Los Angeles in the lower part of Alta California. Following the acquisition of California by the United States, the division continued as part of the attempt by several pro-slavery politicians to arrange the division of Alta California at 36 degrees, 30 minutes, the line of the Missouri Compromise. Instead, the passing of the Compromise of 1850 enabled California to be admitted to the Union as a free state, preventing southern California from becoming its own separate slave state.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): Which country used to rule California?


Read this: This contributed to the "Oil Shock". After 1971, OPEC was slow to readjust prices to reflect this depreciation. From 1947 to 1967, the dollar price of oil had risen by less than two percent per year. Until the oil shock, the price had also remained fairly stable versus other currencies and commodities. OPEC ministers had not developed institutional mechanisms to update prices in sync with changing market conditions, so their real incomes lagged. The substantial price increases of 1973–1974 largely returned their prices and corresponding incomes to Bretton Woods levels in terms of commodities such as gold.

What happened in 1973-1974?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: The Central Region, consisting of present-day Hebei, Shandong, Shanxi, the south-eastern part of present-day Inner Mongolia and the Henan areas to the north of the Yellow River, was considered the most important region of the dynasty and directly governed by the Central Secretariat (or Zhongshu Sheng) at Khanbaliq (modern Beijing); similarly, another top-level administrative department called the Bureau of Buddhist and Tibetan Affairs (or Xuanzheng Yuan) held administrative rule over the whole of modern-day Tibet and a part of Sichuan, Qinghai and Kashmir.

What modern city did Khanbaliq become?
What is the answer? (If it cannot be answered, return "unanswerable")


The principle of cross-cutting relationships pertains to the formation of faults and the age of the sequences through which they cut. Faults are younger than the rocks they cut; accordingly, if a fault is found that penetrates some formations but not those on top of it, then the formations that were cut are older than the fault, and the ones that are not cut must be younger than the fault. Finding the key bed in these situations may help determine whether the fault is a normal fault or a thrust fault.
Try to answer this question if possible (otherwise reply "unanswerable"): What needs to be found to find out if rocks are related?


Read this: The origin of electric and magnetic fields would not be fully explained until 1864 when James Clerk Maxwell unified a number of earlier theories into a set of 20 scalar equations, which were later reformulated into 4 vector equations by Oliver Heaviside and Josiah Willard Gibbs. These "Maxwell Equations" fully described the sources of the fields as being stationary and moving charges, and the interactions of the fields themselves. This led Maxwell to discover that electric and magnetic fields could be "self-generating" through a wave that traveled at a speed that he calculated to be the speed of light. This insight united the nascent fields of electromagnetic theory with optics and led directly to a complete description of the electromagnetic spectrum.

When did the origins of magnetic and electric fields occur?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: The historian Francis Aidan Gasquet wrote about the 'Great Pestilence' in 1893 and suggested that "it would appear to be some form of the ordinary Eastern or bubonic plague". He was able to adopt the epidemiology of the bubonic plague for the Black Death for the second edition in 1908, implicating rats and fleas in the process, and his interpretation was widely accepted for other ancient and medieval epidemics, such as the Justinian plague that was prevalent in the Eastern Roman Empire from 541 to 700 CE.

What is another plague thought to have spread the same way?
What is the answer? (If it cannot be answered, return "unanswerable")


Homes from the early 20th century line this boulevard in the heart of the historic Alta Vista Tract. The section of Huntington Boulevard between First Street on the west to Cedar Avenue on the east is the home to many large, stately homes. The original development of this area began circa 1910, on 190 acres of what had been an alfalfa field. The Alta Vista Tract, as the land would become known, was mapped by William Stranahan for the Pacific Improvement Corporation, and was officially platted in 1911. The tract's boundaries were Balch Avenue on the south, Cedar Avenue on the east, the rear property line of Platt Avenue (east of Sixth Street) and Platt Avenue (west of Sixth Street) on the north, and First Street on the west. The subdivision was annexed to the City in January 1912, in an election that was the first in which women voted in the community. At the time of its admission to the City, the Alta Vista Tract was uninhabited but landscaped, although the trees had to be watered by tank wagon. In 1914 developers Billings & Meyering acquired the tract, completed street development, provided the last of the necessary municipal improvements including water service, and began marketing the property with fervor. A mere half decade later the tract had 267 homes. This rapid development was no doubt hastened by the Fresno Traction Company right-of-way along Huntington Boulevard, which provided streetcar connections between downtown and the County Hospital.
Try to answer this question if possible (otherwise reply "unanswerable"): Who did the City grant the property to in 1912?


Greater London has over 900,000 Muslims, (most of South Asian origins and concentrated in the East London boroughs of Newham, Tower Hamlets and Waltham Forest), and among them are some with a strong Islamist outlook. Their presence, combined with a perceived British policy of allowing them free rein, heightened by exposés such as the 2007 Channel 4 documentary programme Undercover Mosque, has given rise to the term Londonistan. Following the 9/11 attacks, however, Abu Hamza al-Masri, the imam of the Finsbury Park Mosque, was arrested and charged with incitement to terrorism which has caused many Islamists to leave the UK to avoid internment.[citation needed]
Try to answer this question if possible (otherwise reply "unanswerable"): What type of outlook do some of the Muslims in London have?


Read this: There are fifteen fraternities and seven sororities at the University of Chicago, as well as one co-ed community service fraternity, Alpha Phi Omega. Four of the sororities are members of the National Panhellenic Conference, and ten of the fraternities form the University of Chicago Interfraternity Council. In 2002, the Associate Director of Student Activities estimated that 8–10 percent of undergraduates were members of fraternities or sororities. The student activities office has used similar figures, stating that one in ten undergraduates participate in Greek life.

How many fraternities form the University of Chicago Interfraternity Council?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: The efficiency of a Rankine cycle is usually limited by the working fluid. Without the pressure reaching supercritical levels for the working fluid, the temperature range the cycle can operate over is quite small; in steam turbines, turbine entry temperatures are typically 565 °C (the creep limit of stainless steel) and condenser temperatures are around 30 °C. This gives a theoretical Carnot efficiency of about 63% compared with an actual efficiency of 42% for a modern coal-fired power station. This low turbine entry temperature (compared with a gas turbine) is why the Rankine cycle is often used as a bottoming cycle in combined-cycle gas turbine power stations.[citation needed]

What is the approximate condenser temperature in a turbine?
What is the answer? (If it cannot be answered, return "unanswerable")


Read this: As in the House of Commons, a number of qualifications apply to being an MSP. Such qualifications were introduced under the House of Commons Disqualification Act 1975 and the British Nationality Act 1981. Specifically, members must be over the age of 18 and must be a citizen of the United Kingdom, the Republic of Ireland, one of the countries in the Commonwealth of Nations, a citizen of a British overseas territory, or a European Union citizen resident in the UK. Members of the police and the armed forces are disqualified from sitting in the Scottish Parliament as elected MSPs, and similarly, civil servants and members of foreign legislatures are disqualified. An individual may not sit in the Scottish Parliament if he or she is judged to be insane under the terms of the Mental Health (Care and Treatment) (Scotland) Act 2003.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): What does being an MSP share with the House of Commons?


Read this: Many machine models different from the standard multi-tape Turing machines have been proposed in the literature, for example random access machines. Perhaps surprisingly, each of these models can be converted to another without providing any extra computational power. The time and memory consumption of these alternate models may vary. What all these models have in common is that the machines operate deterministically.

What two resources commonly consumed by alternate models are typically known to vary?
What is the answer? (If it cannot be answered, return "unanswerable")


There are three major types of rock: igneous, sedimentary, and metamorphic. The rock cycle is an important concept in geology which illustrates the relationships between these three types of rock, and magma. When a rock crystallizes from melt (magma and/or lava), it is an igneous rock. This rock can be weathered and eroded, and then redeposited and lithified into a sedimentary rock, or be turned into a metamorphic rock due to heat and pressure that change the mineral content of the rock which gives it a characteristic fabric. The sedimentary rock can then be subsequently turned into a metamorphic rock due to heat and pressure and is then weathered, eroded, deposited, and lithified, ultimately becoming a sedimentary rock. Sedimentary rock may also be re-eroded and redeposited, and metamorphic rock may also undergo additional metamorphism. All three types of rocks may be re-melted; when this happens, a new magma is formed, from which an igneous rock may once again crystallize.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): When the three types of rock are re-melted what is formed?


What is a question about this article? If the question is unanswerable, say "unanswerable".

Modern primality tests for general numbers n can be divided into two main classes, probabilistic (or "Monte Carlo") and deterministic algorithms. Deterministic algorithms provide a way to tell for sure whether a given number is prime or not. For example, trial division is a deterministic algorithm because, if performed correctly, it will always identify a prime number as prime and a composite number as composite. Probabilistic algorithms are normally faster, but do not completely prove that a number is prime. These tests rely on testing a given number in a partly random way. For example, a given test might pass all the time if applied to a prime number, but pass only with probability p if applied to a composite number. If we repeat the test n times and pass every time, then the probability that our number is composite is 1/(1-p)n, which decreases exponentially with the number of tests, so we can be as sure as we like (though never perfectly sure) that the number is prime. On the other hand, if the test ever fails, then we know that the number is composite.

What type of algorithm is trial division?


Read this: Geologists use a number of field, laboratory, and numerical modeling methods to decipher Earth history and understand the processes that occur on and inside the Earth. In typical geological investigations, geologists use primary information related to petrology (the study of rocks), stratigraphy (the study of sedimentary layers), and structural geology (the study of positions of rock units and their deformation). In many cases, geologists also study modern soils, rivers, landscapes, and glaciers; investigate past and current life and biogeochemical pathways, and use geophysical methods to investigate the subsurface.

What are biogeochemical pathways?
What is the answer? (If it cannot be answered, return "unanswerable")


The shape of the Rhine delta is determined by two bifurcations: first, at Millingen aan de Rijn, the Rhine splits into Waal and Pannerdens Kanaal, which changes its name to Nederrijn at Angeren, and second near Arnhem, the IJssel branches off from the Nederrijn. This creates three main flows, two of which change names rather often. The largest and southern main branch begins as Waal and continues as Boven Merwede ("Upper Merwede"), Beneden Merwede ("Lower Merwede"), Noord River ("North River"), Nieuwe Maas ("New Meuse"), Het Scheur ("the Rip") and Nieuwe Waterweg ("New Waterway"). The middle flow begins as Nederrijn, then changes into Lek, then joins the Noord, thereby forming Nieuwe Maas. The northern flow keeps the name IJssel until it flows into Lake IJsselmeer. Three more flows carry significant amounts of water: the Nieuwe Merwede ("New Merwede"), which branches off from the southern branch where it changes from Boven to Beneden Merwede; the Oude Maas ("Old Meuse"), which branches off from the southern branch where it changes from Beneden Merwede into Noord, and Dordtse Kil, which branches off from Oude Maas.
How many main flows are branched off from the Nederrijn? (If the question is unanswerable, say "unanswerable")


European Union law is a body of treaties and legislation, such as Regulations and Directives, which have direct effect or indirect effect on the laws of European Union member states. The three sources of European Union law are primary law, secondary law and supplementary law. The main sources of primary law are the Treaties establishing the European Union. Secondary sources include regulations and directives which are based on the Treaties. The legislature of the European Union is principally composed of the European Parliament and the Council of the European Union, which under the Treaties may establish secondary law to pursue the objective set out in the Treaties.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): The legislature of American Union is principally composed of what?


Immune system:

The main response of the immune system to tumors is to destroy the abnormal cells using killer T cells, sometimes with the assistance of helper T cells. Tumor antigens are presented on MHC class I molecules in a similar way to viral antigens. This allows killer T cells to recognize the tumor cell as abnormal. NK cells also kill tumorous cells in a similar way, especially if the tumor cells have fewer MHC class I molecules on their surface than normal; this is a common phenomenon with tumors. Sometimes antibodies are generated against tumor cells allowing for their destruction by the complement system.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What type of immune cells help to destroy abnormal cells in tumors?


What is a question about this article? If the question is unanswerable, say "unanswerable".

The Islamic Republic has also maintained its hold on power in Iran in spite of US economic sanctions, and has created or assisted like-minded Shia terrorist groups in Iraq, Egypt, Syria, Jordan (SCIRI) and Lebanon (Hezbollah) (two Muslim countries that also have large Shiite populations). During the 2006 Israel-Lebanon conflict, the Iranian government enjoyed something of a resurgence in popularity amongst the predominantly Sunni "Arab street," due to its support for Hezbollah and to President Mahmoud Ahmadinejad's vehement opposition to the United States and his call that Israel shall vanish.

 What type of sanctions has Canada directed at Iran?


Immune system:

Natural killer cells, or NK cells, are a component of the innate immune system which does not directly attack invading microbes. Rather, NK cells destroy compromised host cells, such as tumor cells or virus-infected cells, recognizing such cells by a condition known as "missing self." This term describes cells with low levels of a cell-surface marker called MHC I (major histocompatibility complex) – a situation that can arise in viral infections of host cells. They were named "natural killer" because of the initial notion that they do not require activation in order to kill cells that are "missing self." For many years it was unclear how NK cells recognize tumor cells and infected cells. It is now known that the MHC makeup on the surface of those cells is altered and the NK cells become activated through recognition of "missing self". Normal body cells are not recognized and attacked by NK cells because they express intact self MHC antigens. Those MHC antigens are recognized by killer cell immunoglobulin receptors (KIR) which essentially put the brakes on NK cells.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". How long was it clear how NK cells recognized tumors?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example, 5 is prime because 1 and 5 are its only positive integer factors, whereas 6 is composite because it has the divisors 2 and 3 in addition to 1 and 6. The fundamental theorem of arithmetic establishes the central role of primes in number theory: any integer greater than 1 can be expressed as a product of primes that is unique up to ordering. The uniqueness in this theorem requires excluding 1 as a prime because one can include arbitrarily many instances of 1 in any factorization, e.g., 3, 1 · 3, 1 · 1 · 3, etc. are all valid factorizations of 3.

What can any number larger than 6 can be represented as?


Sky (United Kingdom):

On 18 November 2015, Sky announced Sky Q, a range of products and services to be available in 2016. The Sky Q range consists of three set top boxes (Sky Q, Sky Q Silver and Sky Q Mini), a broadband router (Sky Q Hub) and mobile applications. The Sky Q set top boxes introduce a new user interface, Wi-Fi hotspot functionality, Power-line and Bluetooth connectivity and a new touch-sensitive remote control. The Sky Q Mini set top boxes connect to the Sky Q Silver set top boxes with a Wi-Fi or Power-line connection rather than receive their own satellite feeds. This allows all set top boxes in a household to share recordings and other media. The Sky Q Silver set top box is capable of receiving and displaying UHD broadcasts, which Sky will introduce later in 2016.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What are the Sky Q mini set top boxes able to connect to?


French and Indian War:

In his extensively detailed report, Céloron wrote, "All I can say is that the Natives of these localities are very badly disposed towards the French, and are entirely devoted to the English. I don't know in what way they could be brought back." Even before his return to Montreal, reports on the situation in the Ohio Country were making their way to London and Paris, each side proposing that action be taken. William Shirley, the expansionist governor of the Province of Massachusetts Bay, was particularly forceful, stating that British colonists would not be safe as long as the French were present. Conflicts between the colonies, accomplished through raiding parties that included Indian allies, had taken place for decades, leading to a brisk trade in European colonial captives from either side.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". How did William Shirley feel about English advancement?


Past faculty have also included Egyptologist James Henry Breasted, mathematician Alberto Calderón, Nobel prize winning economist and classical liberalism defender Friedrich Hayek, meteorologist Ted Fujita, chemists Glenn T. Seaborg, the developer of the actinide concept and Nobel Prize winner Yuan T. Lee, Nobel Prize winning novelist Saul Bellow, political philosopher and author Allan Bloom, cancer researchers Charles Brenton Huggins and Janet Rowley, astronomer Gerard Kuiper, one of the most important figures in the early development of the discipline of linguistics Edward Sapir, and the founder of McKinsey & Co., James O. McKinsey.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): Who is the founder of T. Seaborg and Co.?


There is evidence that there have been significant changes in Amazon rainforest vegetation over the last 21,000 years through the Last Glacial Maximum (LGM) and subsequent deglaciation. Analyses of sediment deposits from Amazon basin paleolakes and from the Amazon Fan indicate that rainfall in the basin during the LGM was lower than for the present, and this was almost certainly associated with reduced moist tropical vegetation cover in the basin. There is debate, however, over how extensive this reduction was. Some scientists argue that the rainforest was reduced to small, isolated refugia separated by open forest and grassland; other scientists argue that the rainforest remained largely intact but extended less far to the north, south, and east than is seen today. This debate has proved difficult to resolve because the practical limitations of working in the rainforest mean that data sampling is biased away from the center of the Amazon basin, and both explanations are reasonably well supported by the available data.
Try to answer this question if possible (otherwise reply "unanswerable"): Scientists disagree with how the Amazon rainforest changed over time with some arguing that it was reduced to isolated refugia seperated by what?


Read this: For the 2012–13 school year annual tuition was $38,000, with a total cost of attendance of $57,000. Beginning 2007, families with incomes below $60,000 pay nothing for their children to attend, including room and board. Families with incomes between $60,000 to $80,000 pay only a few thousand dollars per year, and families earning between $120,000 and $180,000 pay no more than 10% of their annual incomes. In 2009, Harvard offered grants totaling $414 million across all eleven divisions;[further explanation needed] $340 million came from institutional funds, $35 million from federal support, and $39 million from other outside support. Grants total 88% of Harvard's aid for undergraduate students, with aid also provided by loans (8%) and work-study (4%).

What else were families with incomes below $38,000 not required to pay for in 2009?
What is the answer? (If it cannot be answered, return "unanswerable")


French and Indian War:

The third invasion was stopped with the improbable French victory in the Battle of Carillon, in which 3,600 Frenchmen famously and decisively defeated Abercrombie's force of 18,000 regulars, militia and Native American allies outside the fort the French called Carillon and the British called Ticonderoga. Abercrombie saved something from the disaster when he sent John Bradstreet on an expedition that successfully destroyed Fort Frontenac, including caches of supplies destined for New France's western forts and furs destined for Europe. Abercrombie was recalled and replaced by Jeffery Amherst, victor at Louisbourg.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What success did Abercrombie gain out of the defeat at Carillon?


Extension causes the rock units as a whole to become longer and thinner. This is primarily accomplished through normal faulting and through the ductile stretching and thinning. Normal faults drop rock units that are higher below those that are lower. This typically results in younger units being placed below older units. Stretching of units can result in their thinning; in fact, there is a location within the Maria Fold and Thrust Belt in which the entire sedimentary sequence of the Grand Canyon can be seen over a length of less than a meter. Rocks at the depth to be ductilely stretched are often also metamorphosed. These stretched rocks can also pinch into lenses, known as boudins, after the French word for "sausage", because of their visual similarity.

Answer this question, if possible (if impossible, reply "unanswerable"): Rocks that are a depth where they are ductilely stretched are also often what?


Read this and answer the question. If the question is unanswerable, say "unanswerable".

The Very high-speed Backbone Network Service (vBNS) came on line in April 1995 as part of a National Science Foundation (NSF) sponsored project to provide high-speed interconnection between NSF-sponsored supercomputing centers and select access points in the United States. The network was engineered and operated by MCI Telecommunications under a cooperative agreement with the NSF. By 1998, the vBNS had grown to connect more than 100 universities and research and engineering institutions via 12 national points of presence with DS-3 (45 Mbit/s), OC-3c (155 Mbit/s), and OC-12c (622 Mbit/s) links on an all OC-12c backbone, a substantial engineering feat for that time. The vBNS installed one of the first ever production OC-48c (2.5 Gbit/s) IP links in February 1999 and went on to upgrade the entire backbone to OC-48c.

Who operated the vBSN network


Torque is the rotation equivalent of force in the same way that angle is the rotational equivalent for position, angular velocity for velocity, and angular momentum for momentum. As a consequence of Newton's First Law of Motion, there exists rotational inertia that ensures that all bodies maintain their angular momentum unless acted upon by an unbalanced torque. Likewise, Newton's Second Law of Motion can be used to derive an analogous equation for the instantaneous angular acceleration of the rigid body:
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What is the rotational equivalent of velocity?


Immune system:

It is conjectured that a progressive decline in hormone levels with age is partially responsible for weakened immune responses in aging individuals. Conversely, some hormones are regulated by the immune system, notably thyroid hormone activity. The age-related decline in immune function is also related to decreasing vitamin D levels in the elderly. As people age, two things happen that negatively affect their vitamin D levels. First, they stay indoors more due to decreased activity levels. This means that they get less sun and therefore produce less cholecalciferol via UVB radiation. Second, as a person ages the skin becomes less adept at producing vitamin D.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What hormones are independent from the immune system?