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country3313 country3313
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6 years ago
Crude oil is ________.
 
  A) formed in a wide range of temperature and pressure circumstances
  B) fractionated to separate the chemicals used for gasoline, lubricants, plastics and other products
  C) formed less than 100 yards below the surface; in deeper places with more pressure, coal is formed
  D) usable in its raw form
  E) composed of less than ten different hydrocarbon molecules
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