Question

definition of atmosphere :
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Answer 1

Answer:

The layer of air above the earth is called atmosphere. The air in our atmosphere extends upto 300 kilometres above the surface of Earth. The atmosphere contains a tremendous amount of air. Air has weight so the atmosphere consisting of tremendous amount of air has enormous weight.

hope it helps

Answer 2

Answer:

the envelope of gases surrounding the earth or another planet

Explanation:

is called atmosphere