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The earth's atmosphere is primarily Nitrogen (78%) followed by Oxygen (21%)

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Q: Earth's atmosphere is mainly made up of what 2 gases?
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Why does the atmosphere have layers?

because they are made up of gases and the gases protect the earths life forms.


Which gases made up most of Earths early atmosphere?

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What is the sun's composition of the atmosphere?

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What is the composition of the suns atmosphere?

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What is the earths atmosphere made of


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