what is true regarding air?
Answers
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8
Answer:
Air is mixture of several gases like nitrogen, oxygen and carbon dioxide. As air is like gas it exerts pressure. The composition of air varies in the atmosphere.
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0
Answer:
Nitrogen, oxygen, carbon dioxide, water vapour, and other gases are found in air.
Explanation:
The following are the facts true about air:
Multiple gases are present in the air.
Air applies pressure.
Air has a consistent composition.
We cannot see the air that surrounds us.
Air is not merely a gas.
Living beings require air to survive.
Airborne carbon dioxide has both positive and negative effects.
Water can be held in the air too.
A cushion of protection is air.
The atmosphere is alive.
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