Q.3 Answer the following:-
1) What is Pollution?
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2
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Pollution is the introduction of harmful or poisonous substances into environment that may cause adverse effects. Now we will discuss the different types of pollution: The things which are responsible for contamination of air are called air pollutants.
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8
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pollution is the introduction of harmful material into the environment . This harmful material is called pollution. pollution can be natural. sach as volcanic ash. they can also be created by human activity, sach as trash and runoff products by factories. pollution damage the quality of air, water and land.
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