The phosphorus cycle differs from the nitrogen cycle in that
A) the phosphorus cycle has a short residence time.
B) there is no limiting step in the phosphorus cycle.
C) there is a large sedimentary pool of nitrogen.
D) there is a large sedimentary pool of phosphorus.
E) none of the above.
Correct Answer:
Verified
Q1: In the systems approach to biogeochemical cycles,
A)
Q2: In the carbon cycle,
A) photosynthesis always balances
Q3: Nitrogen fixation
A) is the product of respiration
Q4: Mutualistic bacteria in legumes
A) include the cyanobacteria.
B)
Q5: Eutrophication occurs when
A) trophic levels change.
B) nitrogen
Q7: The carbon cycle differs from the nitrogen
Q8: The increase in oxygen in the atmosphere
A)
Q9: Which of the following is not a
Q10: Which of the following is not a
Q11: Human agriculture is threatened by
A) humus in
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