The most common gas in the atmosphere is ____.
A) nitrogen
B) carbon dioxide
C) oxygen
D) hydrogen
E) methane

Name: The most common gas in the atmosphere is ____. A) nitrogen B) carbon dioxide C) oxygen D) hydrogen E) methane
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Question

Quizplus · Accepted Answer

Nitrogen makes up about 78% of the Earth's atmosphere, making it the most common gas. Oxygen is the second most abundant gas, making up about 21% of the atmosphere. Carbon dioxide, hydrogen, and methane are all present in much smaller amounts.

The Most Common Gas in the Atmosphere Is ____