Question

What is a pollution?Name any tow major water pollutants

Answer 1

Pollution:- the presence in or introduction into the environment of a substance which has harmful or poisonous effects.

There are several classes of water pollutants. The first are disease-causing agents. These are bacteria, viruses, protozoa and parasitic worms that enter sewage systems and untreated waste. A second category of water pollutants is oxygen-demanding wastes; wastes that can be decomposed by oxygen-requiring bacteria.

Answer 2

The contamination of air ,water ,land and soil by pollutants like plastics or smoke etc. is known as pollution.

Plastic bags and industrial waste are two major water pollutants .