Answer:
Atmosphere
is essential for life because of the following reasons:
(i) It acts as a blanket and keeps the average temperature of the Earth
fairly steady by preventing sudden increase in temperature during the day and slowing
down the escape of heat into outer space during the night.
(ii) It contains all the gases which are essential for
sustaining life on the Earth.
(iii) Ozone layer present in the atmosphere prevents
harmful UV rays from reaching the Earth.
(iv) Winds are generated due to the movement of air
present in the atmosphere, and rain and rainfall patterns are decided by these
winds.
(v) Water cycle is not possible without atmosphere.
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