6. Which of the following statements is true about fossil fuels, carbon, and carbon dioxide?
a. Carbon dioxide returns to the atmosphere as carbon when fossil fuels are burned.
b. Fossil fuels return to the atmosphere as carbon dioxide when carbon is burned.
c. Carbon returns to the atmosphere as carbon dioxide when fossil fuels are burned.
d. none of the above
Answers: 3
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6. Which of the following statements is true about fossil fuels, carbon, and carbon dioxide?
a. Car...
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