Multiple Choice
Which of the following best describes the spatial variability of net primary productivity?
A) At temperate and high latitudes,the rate of carbon fixing is constant.
B) Productivity rates are constantly high throughout the year in the tropics.
C) Net primary productivity is highest in the fall and winter in temperate and high latitude areas.
D) Productivity rates in deserts are much greater than those of tropical regions.
Correct Answer:

Verified
Correct Answer:
Verified
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