Question

Why is the atmosphere essential for life ???​

Answer 1

Answer:

Atmosphere is very important for sustaining life: It contains various gases like O2, CO2, N2 which are required for various life processes by plants and animals. (ii) gas is used by plants to prepare food by the process called photosynthesis (iii) Oxygen is required for burning, combustion and respiration.

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Answer 2

Answer:

Explanation:

The atmosphere consists of a layer of gases surrounding the earth surface. Nitrogen and oxygen form 99% of the constituents of the atmosphere.

The atmosphere also includes water molecules and dust particles.