Question

Note on pollution....

Answer 1

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POLLUTION

Any undesirable change in physical, chemicals, biological change is called pollution. Addition of unwanted substances and removal of wanted substances is also called pollution. There are mainly 5 kinds of pollution namely air pollution,soil pollution, water pollution, light pollution, sound pollution.

Pollution may be caused by human directly or indirectly. Pollution damages the physical state of the Earth.

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Answer 2

Pollution is the introduction of contaninats into the nature environment that cause adverse change. Pollution can take the form of chemical substances or or energy,such as noise,heat,light...