Multiple Choice
In subarctic saltmarshes, the addition of phosphorus has no effect on productivity but additional nitrogen will increase productivity. In this example, nitrogen is a
A) stimulant of evapotranspiration.
B) precursor to phosphorus.
C) biomagnifying factor.
D) limiting factor.
E) lipid solvent.
Correct Answer:

Verified
Correct Answer:
Verified
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