True: Complete combustion occurs when there is plenty of oxygen, A hydrocarbon is a compound made of hydrogen and carbon only, A catalytic converter helps reduce pollution from cars, Hydrocarbon fuels like petrol and diesel contain impurities, fossil fuel combustion releases acidic gases, Air pollutants can have negative effects on plants and animals, False: Air pollutants are not harmful to the environment, Carbon monoxide is not a poisonous gas, Acid rain is not a real thing, Air pollutants are not visible to the human eye,

Air Pollution

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