a
industrial chimneys, burning fossil oils and river dams
b
sulphurdioxide, acid rain and pesticides
c
sulphur dioxide, vehicle exhausts, and aerosols
d
sewage,smoke and old vehicles
Explanation
Correct Option
cVideo Explanation
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AmehDavid001
1 year ago
But they said Sources of pollutants, not the pollutant themselves.
so the Answer is A






