Other cities followed and tube systems were opened not only for the transport of telegrams but also for individual letters and for letters in bulk.	Stems transport water to other parts of the plant through a system of tubes.	neutral	Stems<>transport<>water<>to other parts of the plant
This very fast-moving stream of air is a jet stream .	The best explanation for how air masses move across the united states is that the prevailing westerlies move air masses from west to east across the united states but may be deflected by the jet stream.	neutral	air masses<>move<>across the united states$$$the prevailing westerlies<>may be deflected<>by the jet stream$$$The best explanation for how air masses move across the united states<>is<>that the prevailing westerlies move air masses from west to east across the united states but may be deflected by the jet stream$$$the prevailing westerlies<>move<>air masses<>from west<>to east<>across the united states
But is it possible for the same substance to burn differently according to size?	Wood burning is an example of a different substance being formed.	neutral	Wood burning<>is<>an example of a different substance$$$a different substance<>being formed<>
(Include flowering trees, such as apple &amp; cherry blossoms.)	A sign that an apple tree is going to start growing apples is that the tree has flowers.	neutral	an apple tree<>to start<>growing apples$$$A sign that an apple tree is going to start growing apples<>is<>that the tree has flowers$$$the tree<>has<>flowers
Programming: The length of the Summer Festival has increased from 10 to 17 days.	A(n) increase in length happens to metal railroad tracks during the heat of a summer day.	neutral	A(n) increase in length<>happens<>to metal railroad tracks<>during the heat of a summer day
Stable isotopes in sedimentary rocks and fossils.	Most fossils are found in sedimentary rocks because organisms can be preserved in sedimentary rock.	neutral	Most fossils<>are found<>in sedimentary rocks<>because organisms can be preserved in sedimentary rock$$$organisms<>can be preserved<>in sedimentary rock
Insects) Title: How to identify acorn weevils Description: Most people will never have a chance to observe the adult acorn weevil unless they climb high in an oak tree.