Question

How does the river water get polluted?
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Answer 1

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River pollution is increasing day by day. In spite of various governmental projects going on in many rivers, there is no sign of water pollution being prevented or stopped. Whom do we blame? Lots of factors lead to water pollution and reducing overall quality of river water. Some of the most serious contributing factors are:

• Industrial wastes, mixtures of chemicals, heavy metals are all discharged in water and these are difficult to clean up.

• Agricultural wastes, chemicals, feritilisers, pesticides used in agriculture have made the river water bodies contaminated.

• Nature’s rain also brings with it pollutants as it falls through polluted air. We call this acid rain, which when reached the soil, releases harmful substances.

• Domestic wastes from households and the sewage that we throw into rivers increases the pollution levels.

• Regular disposal of plastic bags and plastic objects, solid wastes, flowers, garlands is another cause of pollution.

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Answer 2

Dirty water containing chemicals is put back in the river. Water used for cooling is warmer than the river itself, and this is also a form of pollution. People are sometimes careless and throw rubbish such as bottles and crisp packets directly into rivers. Pollution kills water plants and animals.