Multiple Choice
Why are changes in the global carbon cycle important?
I. Burning reduces available carbon for primary producers and, therefore, primary consumers.
II. Deforestation and suburbanization reduce an area's net primary productivity.
III. Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate.
IV. By using fossil fuels we are destroying a nonrenewable resource.
A) only I and III
B) only II and IV
C) only I, II, and IV
D) only II, III, and IV
E) only I, II, III, and IV
Correct Answer:
Verified
Correct Answer:
Verified
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