Machu Picchu. Machu Picchu is a 15th-century Inca site located 2,430 metres above sea level. Machu Picchu is located in the Cusco Region of Peru, South America. It is situated on a mountain ridge above the Urubamba Valley in Peru, which is 80 kilometres northwest of Cusco and through which the Urubamba River flows.
Yodel is a delivery service company in the United Kingdom. It was formed by the 2010 acquisition of the UK domestic business of DHL by Home Delivery Network. The combined business, known as HDNL, was rebranded as Yodel in May 2010. It is privately owned by the billionaire Barclay Brothers.
Dmitri Mendeleev was a Russian chemist who lived from 1834-1907. He is considered to be the most important contributor to the development of the periodic table. His version of the periodic table organized elements into rows according to their atomic mass, and into columns based on chemical and physical properties.Using his table, Mendeleev was able to predict characteristics of undiscovered elements.To unlock this lesson you must be a Study.com Member.hile constructing his version of the periodic table, Mendeleev noticed that some spaces were better left empty, because there was no known element that had the necessary characteristics. Mendeleev hypothesized that these empty spaces were for elements that had not been discovered yet.