1.

what is a air pollution

Answer» <p>Air pollutionis a mixture of solid particles and gases in theair. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part ofair pollutionin cities. When ozone formsair pollution, it's also called smog. Someair pollutantsare poisonous.</p>


Discussion

No Comment Found