Question

what is and air ,how it is helpful.
Plz answer

Answer 1

air is a biological creation made of many gasses such as O2, Co2, H, etc.
It is very helpful as air contains O2 which we inhale, etc.

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Answer 2

The invisible gaseous substance surrounding the earth is known as air .
Air is a significant supplier of energy .
water cycle occurs with the help of air .
Air helps in drying .
Air also helps us to swim in the water.
Air is also used in cooking .
Air helps in reducing friction if tires.
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