Multiple Choice
Carbon dioxide concentrations fluctuate in predictable seasonal patterns on the surface of the planet largely as a result of
A) the influence of vegetation patterns in tropical systems.
B) weathering of rock surfaces following seasonal rain events.
C) vegetation growth and flux patterns in aquatic systems.
D) large-scale patterns of terrestrial plant uptake and dormancy.
Correct Answer:

Verified
Correct Answer:
Verified
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