Why is the atmosphere essential for life? Atmosphere is very important for sustaining life: It contains various gases like O , CO , N2 which are required for various life processes by plants and animals. CO gas is used by plants to prepare food by the process called photos Oxygen is required for burning, combustion and respiration. Ozone layer is acting as a protective layer, which avoids/prevents U.V rays to enter the earth's atmosphere. (5) CO dissolved in water forms carbonates which is required by animals to form shells.
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Atmosphere is important in our life because it contains main gases such as oxygen, carbon dioxide, nitrogen and several other gases which are needed in our life and it also protect us from U. V. rays which are passed by sun.
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