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Nirogen, N2, 780,840 ppmv (78.084%)

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13y ago

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Do gases make up most of the periodic table?

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What gases make most of your air?

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The two gases that make up most of the Earth's atmosphere are nitrogen (N₂) and oxygen (O₂). Nitrogen accounts for approximately 78% of the atmosphere, while oxygen makes up about 21%. Together, these two gases comprise roughly 99% of the Earth's atmosphere.


The gases in your atmosphere aside from the oxygen and nitrogen make up about what percentage of air?

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Which gases are most abudant to earth today?

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Which of the following gases is not a green house gas?

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What are the most abundant gases in dry air?

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