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Mpron Mpron
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6 years ago
Fossil fuels were formed from ________.
 
  A) pockets of hydrogen sulfide gas that were trapped beneath bogs and wetlands
  B) sodium and calcium incorporated into ancient fossils, seashells, and limestone
  C) plants and algae trapped underground millions of years ago
  D) nitrogen trapped in rocks during extensive volcanic activity
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PinBoiPinBoi
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6 years ago
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This site is awesome
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Brilliant
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