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what is the most common gas found in earth's atmosphere

percentages of other substances in the atmosphere

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Nitrogen is the most common gas found in the Earth's atmosphere. It makes up approximately 78% of the gases in the Earth's atmosphere. The second most abundant gas is oxygen, which makes up 21% of the gases in the Earth's atmosphere.Trace gases form the rest.

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thanks for putting enough info ladyK8
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Nitrogen is the most common gas found in the Earths interior

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you need more detail than copying peopl:(
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