The amount of carbon on the Earth, including the atmosphere,
a. is essentially constant
b. is decreasing due to consumption of carbon based fuels, such s coal and petroleum
c. is increasing due to plant and animal growth on the planet
d. fluctuates dramatically with the seasons
Answers: 1
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The amount of carbon on the Earth, including the atmosphere,
a. is essentially constant
...
a. is essentially constant
...
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