Question

what is air and whose uses ​

Answer 1

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Whom should be used to refer to the object of a verb or preposition. When in doubt, try this simple trick: If you can replace the word with “he”' or “'she,” use who. If you can replace it with “him” or “her,” use whom. Who should be used to refer to the subject of a sentence.

She paused, sucking in a deep breath, and then threw her hands in the air in defeat.

Answer 2

Answer:

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

Explanation:

Air os blowing.