Multiple Choice
CO2 concentrations in the Northern Hemisphere follow which pattern of seasonality?
A) They show no seasonality;they increase linearly.
B) They are highest in spring and fall,coinciding with upwellings.
C) They are highest in winter,coinciding with lowest photosynthetic rates.
D) They are highest in winter,coinciding with the highest atmospheric density.
E) They are highest in summer,correlating with the highest animal metabolism.
Correct Answer:
Verified
Correct Answer:
Verified
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