Question

what is air?¿?¿?¿
explain it!​

Answer 1

Air is a mixture of many gases one of that we use is oxygen

Answer 2

Explanation:

Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. ... 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.