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DeLucia and Colleagues Have Shown That Increasing Carbon Dioxide Has

Question 41

Multiple Choice

DeLucia and colleagues have shown that increasing carbon dioxide has led to increased NPP in a pine forest. If this result can be generalized, it suggests that forests could be a _______ of anthropogenic carbon and thus tend to _______ the greenhouse effect.


A) source; worsen
B) source; offset
C) sink; worsen
D) sink; offset

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