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OPSC OAS Paper 1 GS 2016 Solved Paper
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© examsnet.com
Question : 67
Total: 100
The main pollutants responsible for causing the greenhouse effect, acid rain, and ozone layer depletion are :
H2O, CO and CFCs respectively
CH4, CO2, and NOx respectively
CO2, CFCs and O3 respectively
CO2, SO2, and CFCs respectively
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