Why does oil from oil sands have a lower net energy than conventional oil?
Fill in the blank(s) with the appropriate word(s).
The process of producing oil from oil sands involves using large amounts of natural gas to heat water that is used to remove the bitumen and convert it into a heavy synthetic oil that can flow through a pipeline. This process greatly reduces the net energy of oil sands.
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What is the name for a relatively new coast that has processes removing materials?
a. Passive coasts b. Depositional coasts c. Active coasts d. Erosional coasts
Evaluate the main differences between the two leading hypotheses concerning the origins of the Indo-European language family. Name each and discuss its main characteristics
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How does El Niño change the weather where you live??
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Radon in homes comes, in part, from
A. leakage of exhaust gases from furnaces. B. fumes given off by insulation materials. C. natural rocks and soils and buildings made from these materials. D. All of the choices are correct.