A) Release of carbon monoxide
B) Release of less oxygen
C) Release of carbon dioxide
D) Release of more oxygen
Correct Answer: C
Solution :
[c] This happens day and night, but since photosynthesis is powered by sunlight, plants absorb much more \[C{{O}_{2}}\] than they give off during the daytime. At night, when photosynthesis is not happening, they give off much more \[C{{O}_{2}}\] than they absorb.
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