The contamination of harmful substances in to the natural environment is called pollution ,that has a wide range of dreadful or harmful effects on the earth. The harmful substances are called as pollutants.
The pollutants can be natural or human made, natural pollutants are volcanic ashes when volcanic eruption occurs. human made pollutants are trash, smoke from vehicles , industrial chemical wastes produced by factories.
The pollution on the earth is increasing rapidly.
TYPES OF POLLUTION
- AIR POLLUTION
- WATER POLLUTION
- SOUND POLLUTION
- LAND AND SOIL POLLUTION