Question

wat r the major causes of water pollution.explain?​

Answer 1

The main sources of water pollution are as follows:

Sewage: The dirty water from latrine, bathrooms, and all the household wastes are dumped into water reservoirs, as a result the water pollution increases.

The Industrial pollutants: The industrial pollutants are passed into water reservoirs and such pollutants of industries are sugar, paper, tannery, clothes, jute, steel, fertilizer and water gets, polluted. The water of the reservoir become unfit for use and as the industrial pollutants contain toxic chemicals creates health hazards.

Mercury passes into food chains poisons fish and creates diseases.

Acid, alkali, poisons and other liquid pollutants. It kills fishes and other aquatic animals and become toxic to human beings.

Thermal pollution and hot water causes high temperature and reduces oxygen in water.

Agricultural pollutants: fertilizers and pesticides are largely used to increase the production and controlling pests. Such materials mix in water and pollute the air and creates poisonous.

Answer 2

Water pollution is caused due to several reasons. ... Sewage And WasteWater: Sewage, garbage and liquid waste of households, agricultural lands and factories are discharged into lakes and rivers. These wastes contain harmful chemicals and toxins which make the water poisonous for aquaticanimals and plants.

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