

InterviewSolution
Saved Bookmarks
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> | |