Question

$\huge\bf\star\fbox\red{Question:-}$ Define Air

Answer 1

Answer:

Air :- Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. ... There is no air in outer space. Air is a mixture of about 78% of nitrogen, 21% of oxygen, 0.9% of argon, 0.04% of carbon dioxide, and very small amounts of other gases

Answer 2

Answer:

The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere.