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    Exam 7: Earth: Our Home in Space
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    What Is the Percentage of Earth's Atmosphere (By Volume)that Is\(\left( \mathrm { CO } _ { 2 } \right)\)
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What Is the Percentage of Earth's Atmosphere (By Volume)that Is (CO2)\left( \mathrm { CO } _ { 2 } \right)(CO2​)

Question 88

Question 88

Multiple Choice

What is the percentage of Earth's atmosphere (by volume) that is carbon dioxide (CO2) \left( \mathrm { CO } _ { 2 } \right) (CO2​)


A) 78
B) 21
C) 3
D) 0.9
E) 0.03

Correct Answer:

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