Question

state the composition of the earth's atmosphere​

Answer 1

Ans= Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.

Answer 2

Nitrogen, oxygen, argon, carbon dioxide, and traces of neon, helium, krypton, hydrogen, and xenon. Some other chemicals/elements/etc that make up earth's atmosphere are water vapor (H2O) and methane.