Question

what is air and definition ??​

Answer 1

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:

Hii,

Explanation:

$QUESTION$$:-$

What is Air ?

$ANSWER$$:-$

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. Human beings, of course, are one of those species.

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