Question

Causes of air pollution and water pollution

Answer 1

chemicals added to water or air pollution causes is called contamination

Answer 2

Here is the answer to your question!!

Causes of air pollution are;

Fossil.fuels like coal,petroleum contains small amount of nitrogen and sulphur.

When these are burnt, they produces different oxides of nitrogen and sulphur.

When they dissolve in rain, they causes Acid rain.

Causes of Water pollution;

Dissolve of fertilizers and pesticides.

Sewage from towns and cities.

Wastes from factories.

Throwing domestic wastes in rivers..

Hope it helped!!