Multiple Choice
Which of the following would occur if all photosynthetic processes on Earth were to cease?
A) Carbon dioxide and oxygen levels in the atmosphere would decrease.
B) Carbon dioxide and oxygen levels in the atmosphere would increase.
C) Carbon dioxide levels in the atmosphere would decrease,and oxygen levels would increase.
D) Carbon dioxide levels in the atmosphere would increase,and oxygen levels would decrease.
Correct Answer:

Verified
Correct Answer:
Verified
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