a) Animals and plants breathe in from it oxygen for respiration.
b) Plants use carbon dioxide from it for photosynthesis.
c) Water vapour in the atmosphere condenses to form clouds which give us rain.
d) Ozone layer in the stratosphere shields us from ultraviolet radiation which may cause cancers.
e) Carbon dioxide and methane in the atmosphere cause global warming through the green house effect.
marto answered the question on March 22, 2019 at 07:06
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