Question

what is mean by compression of air​

Answer 1

Answer:

air that is at more than atmospheric pressure..

Hope this helps u ✨

Answer 2

Explanation:

Compressed air is made of the same air you breathe in and out, but that air is compressed into a smaller size and kept under pressure. When you take atmospheric air and then physically force it into a smaller volume, the molecules take up less space and the air is compressed.