Question

define air can you explain I am mark me a brainlest​

Answer 1

Air is the general name for the mixture of gases that makes up the Earth's atmosphere. This gas is primarily nitrogen (78%), mixed with oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and trace gases

Answer 2

Answer:

the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen, nitrogen and carbondioxide

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