Question

name the main constituents of air

Answer 1

main constituents of air are nitrogen, oxygen, carbon dioxide and other gases like ozone etc

Answer 2

Hii .. Here is U r Ans :=>>

By volume, dry air contains 78.09% nitrogen,
20.95% oxygen, 0.93% Argon, 0.04% carbondioxide, 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.

And Nitrogen, Oxygen, Argon, Water Vapour and CO2 are the main constituents of air.

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