Question

Define air pollution.

Answer 1

Answer:

the presence in or introduction into the air of a substance which has harmful or poisonous effects.

Explanation:

Here you go

Answer 2

Answer:

mark brilliant please

Explanation:

Air pollution can be defined as the release of harmful substances such as gases, particulates and biological molecules into the atmosphere by human activities or due to natural processes.

The air pollutants are the materials present in the air that can have adverse effects on humans and the ecosystem.

These substances can be solid particles, liquid droplets or gases which are released by chemical factories or by burning of solid waste etc.

It usually causes lung disorders such as bronchitis, asthma, allergies and even death to humans.