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kristin vang kristin vang
wrote...
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A month ago
The residence time of carbon dioxide (CO2) in the atmosphere is _____.

a. 10 to 30 years
b. 1 to 3 years
c. 100 to 300 years
d. More than 300 years
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wrote...
A month ago
c. 100 to 300 years

Most estimate 50 to 200 years (few years to couple of hundred years)
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