Question

what is the composition of atmosphere​

Answer 1

Answer:

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By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

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Answer 2

Answer:

According to NASA, the gases in Earth's atmosphere include:

1.Nitrogen — 78 percent

2.Oxygen — 21 percent

3.Argon — 0.93 percent

4.Carbon dioxide — 0.04 percent

Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor

Explanation:

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