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If the Combustion of Fossil Fuels Adds About 5 ×\times 1012 Kg of Carbon to the Atmosphere as CO2 Each

Question 5

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If the combustion of fossil fuels adds about 5 ×\times 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  If the combustion of fossil fuels adds about 5  \times  10<sup>12</sup> kg of carbon to the atmosphere as CO<sub>2</sub> each year, how much oxygen is required to produce this amount of carbon dioxide? A) about 1.3   10<sup>12</sup> kg B) about 1.3   10<sup>13</sup> kg C) about 2.6   10<sup>12</sup> kg D) about 2.6   10<sup>13</sup> kg E) about 6.7   10<sup>12</sup> kg 1012 kg
B) about 1.3  If the combustion of fossil fuels adds about 5  \times  10<sup>12</sup> kg of carbon to the atmosphere as CO<sub>2</sub> each year, how much oxygen is required to produce this amount of carbon dioxide? A) about 1.3   10<sup>12</sup> kg B) about 1.3   10<sup>13</sup> kg C) about 2.6   10<sup>12</sup> kg D) about 2.6   10<sup>13</sup> kg E) about 6.7   10<sup>12</sup> kg 1013 kg
C) about 2.6  If the combustion of fossil fuels adds about 5  \times  10<sup>12</sup> kg of carbon to the atmosphere as CO<sub>2</sub> each year, how much oxygen is required to produce this amount of carbon dioxide? A) about 1.3   10<sup>12</sup> kg B) about 1.3   10<sup>13</sup> kg C) about 2.6   10<sup>12</sup> kg D) about 2.6   10<sup>13</sup> kg E) about 6.7   10<sup>12</sup> kg 1012 kg
D) about 2.6  If the combustion of fossil fuels adds about 5  \times  10<sup>12</sup> kg of carbon to the atmosphere as CO<sub>2</sub> each year, how much oxygen is required to produce this amount of carbon dioxide? A) about 1.3   10<sup>12</sup> kg B) about 1.3   10<sup>13</sup> kg C) about 2.6   10<sup>12</sup> kg D) about 2.6   10<sup>13</sup> kg E) about 6.7   10<sup>12</sup> kg 1013 kg
E) about 6.7  If the combustion of fossil fuels adds about 5  \times  10<sup>12</sup> kg of carbon to the atmosphere as CO<sub>2</sub> each year, how much oxygen is required to produce this amount of carbon dioxide? A) about 1.3   10<sup>12</sup> kg B) about 1.3   10<sup>13</sup> kg C) about 2.6   10<sup>12</sup> kg D) about 2.6   10<sup>13</sup> kg E) about 6.7   10<sup>12</sup> kg 1012 kg

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