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Q. |
The balance of CO2 and O2 in atmosphere is due to . |
A. | Transportation |
B. | Photosynthesis |
C. | Respiration |
D. | Evaporation |
Answer» B. Photosynthesis | |
Explanation: Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. |
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