What is the 3rd most abundant gas in the atmosphere?

1 Answer
chandramohanPanakkal
Jul 16, 2017

Argon.

Explanation:

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. From Wikipedia.

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