Question

Hlw friends good afternoon
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Define atmosphere..
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Answer 1

Answer:

the mixture of gases  that surrounds the earth or any other planet

Explanation:

Answer 2

1a : the gaseous envelope of a celestial body (such as a planet) b : the whole mass of air surrounding the earth.

2 : the air of a locality the stuffy atmosphere of the waiting room.

3 : a surrounding influence or environment an atmosphere of hostility.