Ozone layer in stratosphere is effected by:

A. Excess CO2
B. Excess CO

C. Chloro-fluoro-carbon

D. Low rainfall
Ozone layer in stratosphere is effected by: | Chloro-fluoro-carbon | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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