In stratosphere, the level of ozone is naturally regulated b

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M: +2.00/-0.50

In stratosphere, the level of ozone is naturally regulated by

U.P.P.C.S. (Mains) 2016

[GHGs, Climate Law & Ozone Layer, EPA, Kyoto, Montreal Etc]

A

Nitrous oxide

B

Nitrogen dioxide

C

CFC

D

Water vapours

...

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