Question

What are main gasses present in air?

Answer 1

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.

Answer 2

Air is a mixture of gases.It is composed of 78% nitrogen and 21% oxygen with traces of water vapour ,carbon dioxide,argon and various other components.