A) Presence of oxygen
B) Low \[C{{O}_{2}}\]cone.
C) High\[C{{O}_{2}}\]
D) \[C{{O}_{2}}\]absent
Correct Answer: B
Solution :
During day time, due to photosynthesis \[C{{O}_{2}}\]concentration is low.You need to login to perform this action.
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