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2020 Q16: Regarding the fate of atmospheric carbon dioxide, which of the following is correct?

A. (a) It escapes into the outer stratosphere
B. (b) Photosynthesis by phytoplankton removes a significant portion
C. (c) It is trapped in the polar ice caps
D. (d) None of the above

Explanation:

Explanation: A significant portion of CO2 is removed by photosynthesis in the oceans.