why is the atmosphere essential for life
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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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(a) Oxygen which is essential for the survival of all living organisms is present in the atmosphere. (b) Essential gases that support life on the earth are present in the atmosphere. ... (d) The atmosphere acts as a protective blanket for the earth by blocking the harmful UV rays from the sun.
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