which one is an example of air pollution pollutants present in air Helium or hydrogen sulphide
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Ozone (O3)
Nitrogen dioxide (NO2)
Carbon monoxide (CO)
Sulphur dioxide (SO2)
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Nitrogen dioxide (NO2)
Carbon monoxide (CO)
Sulphur dioxide (SO2)
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Answered by
6
Hydrogen sulphide .
because helium is a noble gas it doesn't react with any substance.
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