Question

pollution essay for 3 class

Answer 1

Pollution is the contamination of the natural environment which exists around us and helps in normal living. Any type of pollution in our natural surroundings and ecosystem causes insecurity, health disorders and discomfort in normal living. It disorganizes the natural systems and thus disturbs the nature’s balance.

The pollutants or elements of pollution are foreign substances or waste materials created by the human beings and pollute the natural resources like air, water or soil etc. The chemical nature, concentration and long persistence of the pollutants continually disturbs the ecosystem for years. The pollutants can be poisonous gases, pesticides, herbicides, fungicides, noise, organic compounds and radioactive materials.

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Answer 2

the contamination of any natural resource is called pollution. they are of four types - soil pollution, air pollution, water pollution and noise pollution.
soil pollution is caused when unwanted waste product is thrown over soil. it makes our environment looks dirty and can cause many diseases.
air pollution is caused when various pollutants are mixed with air. air pollution can be too much harmful for us because it can cause breathing problems and even death.
water pollution is caused when all the waste product is dumped in water bodies. it can make the rivers and seas dirtier. and drinking contaminated water is harmful for us.
noise pollution is caused when too much loud noise is made in the environment. noise pollution can harm someone's ear and even a person can become deaf.

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