Multiple Choice
How does the formation of oil shale deposits,coals,and limestones affect the carbon dioxide (CO2) concentration in the Earth's atmosphere?
A) All three increase the total CO2 in the atmosphere.
B) All three decrease the total CO2 in the atmosphere.
C) The formation of limestones decreases total CO2,while the formation of oil shale and coal increases total CO2.
D) The formation of oil shale deposits,coals,and limestones has very little effect.
Correct Answer:
Verified
Correct Answer:
Verified
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