Question

How does air become dirty??

Answer 1

Air pollution occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plant. This is how the air becomes dirty (contaminated or unclean).

Answer 2

Answer:

Explanation:

Air pollution occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plant. This is how the air becomes dirty (contaminated or unclean).