What is the most gas in the air?

Clean atmospheric air contains a large number of chemical elements and components.
Among the main gases that make up it, it is worth highlighting: nitrogen, oxygen, carbon dioxide, ozone, argon, krypton, xenon and others.
The largest share of all gas is nitrogen.
Its concentration reaches about 78%. It serves to dilute other gases.
Oxygen is in second place in terms of quantity.
Its amount is almost 21%.
Other gases account for hundredths of a percent.



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