_______ decrease the productivity of the soil.

Which rays enter into earth, if ozone layer is destructed

Environment protection Act was established in

Much damage to soil is caused by _______ than pollution.

Thermal pollution reduces amount of _________ gas in water.

Industrialization and _______ increases global warming.

Among the following which is the basic need of human being.

Process of waste water treatment is known as

Prevention and control of pollution Act for water established in ___________ year.

Most of the environmental problems are due to increase of