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Question
Crude oil is ________.A) composed of just a few types of hydrocarbon molecules
B) fully usable in its raw form
C) formed less than 100 metres below the surface; in deeper places with more pressure, coal is formed
D) formed in a wide range of temperature and pressure circumstances
E) fractionated to obtain the chemicals used for gasoline, lubricants, plastics, and other products
Answer
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