Question

Write the main causes of water pollution.​

Answer 1

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Water gets polluted by:

• Domestic wastes, especially urban sewers.
• Industrial wastes are disposed off in the water without proper treatment.
• Chemical effluents from industries and from agricultural sector.
• Pesticides and fertilisers used in agriculture may get washed into rivers by rain-water and may pollute the water by enriching it with minerals.
• Many human activities, e.g., religious rituals and immersing of idols, etc. in the water also pollute water.

Answer 2

Various Causes of Water Pollution

Industrial Waste. ...

Sewage and Wastewater. ...

Mining Activities. ...

Marine Dumping. ...

Accidental Oil Leakage. ...

The burning of fossil fuels. ...

Chemical fertilizers and pesticides. ...

Leakage From Sewer Lines.

Hope it helps!