Question

Increase in pollution 3 min. Asl for 6th class

Answer 1

Pollution is when something is added to theenvironment harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution . Sewage in drinking water is another type of pollution, containing germs andviruses. There are 3 kinds of pollution: water pollution, land pollution, and air pollution.

Air can be polluted by many things. Air pollution includes poisonous gases, sulphur dioxide, nitrogen dioxide, carbon monoxideand very small particulates. Smoke and harmful gases released by fires, industries and thermal power plants cause air pollution. 

Water pollution is the presence of harmful materials in water, such as sewage, dissolvedmetals, waste from farms, factories and crude oil spilled from oil tankers. 

Noise pollution (also known as sound pollution) is harmful to the brain and hearing of all animals and humans. This includes the sound of vehicles, loud speakers, airplanes, jets, train horns etc. 

Soil pollution (also known as land pollution) is caused when man-made chemicals, such as hydrocarbons, heavy metals, and solvents, get into the soil.These chemicals come from industrial activities and from improper wastein disposal in leaky landfills.


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