Question

what is air?
Explain briefly​

Answer 1

Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. ... Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.

Answer 2

Answer:

the combination of different gases in the atmosphere is called air