Question

What is pollution and how does it occors

Answer 1

pollution means the presence of substance in air, water, land and soil which has an adverse effects on living organisms and in environment. there are three main types of pollution. they are -
1. air pollution
2. water pollution
3. noise pollution

Answer 2

$\boxed{Pollution}$
Pollution is a human made disaster.
Pollution is made by human due to his selfishness .
The man has been polluting the earth since long time. He is polluting earth for developing industries and big or metropolitan cities. Only the man is exploiting the earth.

Now air and water have been polluted. The air is not suitable to inhale.
The air and water are very basic necessities for a man. The underground water is being polluted by the chemical poured out by industries also in our country .
WE HAVE TO REDUCE OUR NON ENVIRONMENT FRIENDLY ACTIVITIES OTHERWISE THE MAN IS DIGGING HIS OWN GRAVE .