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An Intiative by Sri Chaitanya
a
it is a toxic gas and its reaction with NO gives N2.
b
in the stratosphere, it forms a protective shield against UV radiation.
c
In the atmosphere, it is depleted by CFCs.
d
In the stratosphere, CFCs release chlorine free radicals (Cl) which reacts with O3 to give chlorine dioxide radicals.
answer is D.
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