Which one of the following is not responsible for the deplet

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Which one of the following is not responsible for the depletion of ozone layer

U.P.P.C.S. (Pre) 2002 U.P. Lower Sub. (Pre) 2002

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

A

CFC-12 used in refrigerators

B

Methyl chloroform used as a solvent

C

HALON-1211 used in fire fighting

D

Nitrous oxide

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