Question

dir Define the term atmosphere. How do all living beings depend on the atmosphere for their survival ?​

Answer 1

Answer:

the blanket of air surrounding the earth is called the atmosphere. The atmosphere primarily comprises nitrogen and oxygen in bulk and other gases like carbon dioxide, helium, ozone, etc in lesser quantities.

All living beings depend on the atmosphere for their survival. Atmosphere provides them the air they breathe. It protects them from the harmful effects of the sun's rays. Without its protection, they would be baked alive by the heat of the sun during day and get frozen during night.

Explanation:

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Answer 2

Explanation:

the air which surroundes earth is called atmot