Which gas is most abundant in earth’s atmosphere? A. oxygen B. nitrogen C. carbon dioxide D. methane

asked Jan 4, 2018 234k views

5 votes

Which gas is most abundant in earth’s atmosphere?

A. oxygen
B. nitrogen
C. carbon dioxide
D. methane

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3 votes

The correct answer would be A if not C. Because scientific studys prove that carbon dioxide and oxygen are both in the air

JonoW answered Jan 6, 2018

by JonoW

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7 votes

The most is nitrogen, which accounts for 78% of the mass of dry air.

Udy answered Jan 7, 2018

by Udy

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