Question

The phosphorus cycle differs from the carbon cycle in that

• A. phosphorus does not enter living organisms, whereas carbon does.
• B. the phosphorus cycle does not include a gaseous phase, whereas the carbon cycle does.
• C. the phosphorus cycle includes a solid phase, whereas the carbon cycle does not.
• D. the primary reservoir of the phosphorus cycle is the atmosphere, whereas the primary reservoir for the carbon cycle is in rock.

Answer 1

Answer: (B)

Correct answer is (b) the phosphorus cycle does not include a gaseous phase, whereas the carbon cycle does.