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megandunlap megandunlap
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Posts: 509
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6 years ago
According to evidence from ice layers from the
  Antarctic, atmospheric carbon dioxide levels
  have been rising since
 
  a. the dinosaurs went extinct.
  b. for the last 10, 000 years.
  c. the industrial revolution began.
  d. the 1970s.
  e. human evolved 200, 000 years ago.

Question 2

Which of the following is NOT true about
  fossil fuels?
 
  a. they currently are not cost effective
  b. they are made from non-fossilized organic
  matter
  c. they include oils, gases, and alcohols
  mainly from plants
  d. they add more carbon dioxide to the
  atmosphere
  e. more than one of these is not true
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fayez_83fayez_83
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6 years ago
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megandunlap Author
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6 years ago
TY
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6 years ago
You're welcome
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