If the Combustion of Fossil Fuels Adds About 5 1012 Kg of Carbon to the Atmosphere as CO2 Each
Multiple Choice
If the combustion of fossil fuels adds about 5 1012 kg of carbon to the atmosphere as CO2 each year, how much oxygen is required to produce this amount of carbon dioxide?
A) about 1.3 1012 kg
B) about 1.3 1013 kg
C) about 2.6 1012 kg
D) about 2.6 1013 kg
E) about 6.7 1012 kg
Correct Answer:

Verified
Correct Answer:
Verified
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