Suppose the Combustion of Fossil Fuels Adds About 8

Multiple Choice

Suppose the combustion of fossil fuels adds about 8.0 * 10¹² kg of carbon to the atmosphere per year in the form of CO₂.How much oxygen gas is required to produce this amount of carbon dioxide?

A) about 2.1*10¹³ kg
B) about 5.8 * 10¹² kg
C) about 4.3 *10¹² kg
D) about 1.1 * 10¹³ kg
E) about 4.8 * 10¹³ kg