The International Day for Preservation of Ozone layer is obs

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M: +2.00/-0.50

The International Day for Preservation of Ozone layer is observed on

U.P.P.C.S. (Pre) 1996

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

A

15th August

B

16th September

C

24th October

D

1st May

...

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