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Chapter: 6th Science : Term 3 Unit 4 : Our Environment

Pollution

Pollution occurs when the environment gets contaminated by waste, chemicals and harmful substances.

Pollution

 

Pollution occurs when the environment gets contaminated by waste, chemicals and harmful substances.

Pollution is the damage caused to the environment mainly because of human activities. Any substance that causes pollution is known as a pollutant. Pollution is an unwanted change in the physical, chemical and biological characteristics of our land, air and water.

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6th Science : Term 3 Unit 4 : Our Environment : Pollution | Our Environment | Term 3 Unit 4 | 6th Science


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