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What is the most abundant gas in Earth's present day atmosphere? methane oxygen carbon dioxide nitrogen
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3 votes
What is the most abundant gas in Earth's present day atmosphere?

methane
oxygen
carbon dioxide
nitrogen

User Jacob Alley
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2 Answers

6 votes

The answer is nitrogen

User R Yoda
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8.0k points
1 vote
nitrogen. air consists 78% of nitrogen gas
User Robse
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7.9k points
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