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The ratio of the gases in the atmosphere changes as the altitude increases.

Dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.. which equates to:

78 hundredths of nitrogen gas, 20/ hundredths- or approx 1/5th of oxygen , less than 1percent or- 1, hundredth of argon

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8y ago
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9y ago

The ratio of oxygen to nitrogen is 1 to 4

The atmosphere is approximately 21% oxygen 79% nitrogen.

The other gases total less than 1% and are considered trace.

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8y ago

Approximately 78% nitrogen, 21% oxygen, 1% argon and 0.4% carbon dioxide.

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Q: What is the ratio of the major gases in the atmosphere?
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