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

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

User John Landheer
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2 Answers

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
User JonoW
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7 votes
The most is nitrogen, which accounts for 78% of the mass of dry air.
User Udy
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