If there is excess of CO2 in the atmosphere, it acts as a :
A
disinfactant
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B
supporter of combustion
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C
Both (a) and (b)
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D
pollutant
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Solution
The correct option is D pollutant If there is excess of CO2 in the air, it acts as a pollutant. Oxides of Carbon (CO,CO2) are major tropospheric pollution.
The increased amount of CO2 in air is mainly responsible for global warming.
Deforestation and burning of fossil fuels increases the CO2 level and disturbs the balance in the atmosphere.