Question

Classify the following pollutants into natural and manmade categories.
Sewage, dust, pollen grains, chemical fertilizers, vehicular smoke,
algae, pesticides, waste of animals and birds.

Answer 1

The natural pollutants are waste of animals, algae, pollen grains, dust and birds.

The manmade pollutants includes of sewage, chemical fertilizers, pesticides and vehicular smoke.

There are mainly three kinds of pollution such as soil pollution, water pollution and air pollution.

The natural sources of air pollution occur to the volcanic eruptions & gases, marsh gases, forest fires, soil debris and smoke.

Answer 2

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