Multiple Choice
Which of the following statements about biogeochemical cycling is correct?
A) The phosphorus cycle includes the recycling of atmospheric phosphorus gas.
B) The phosphorus cycle involves the weathering of rocks of marine origin.
C) The carbon cycle incorporates carbon dioxide produced from photosynthesis.
D) The carbon cycle always maintains a constant level of atmospheric CO2.
Correct Answer:
Verified
Correct Answer:
Verified
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