37. Which of the following statements about fossil fuels such as coal, oil, and

Question

37.   Which of the following statements about fossil fuels such as coal, oil, and natural gas, are true?

A) most of them formed thousands of years ago, and will take hundreds of thousands of years to renew.
B) they are the fossilized remains of ancient hydrocarbons, fixed by photosynthetic organisms, and then buried under sediment and transformed by pressure and heat.
C) they formed millions of years ago, and if renewal were possible, the process would take tens or hundreds of millions of years
D) A and B
E) B and C

Explanation / Answer

D) A and B

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