Question

write five main causes of water pollution

Answer 1

Five main reasons of water pollution are –
1) Improper sewage disposal.
2) Animal wastes.
3) Dumping of chemical waste by big factories.
4) Oil spills
5) Throwing of plastics in ocean.

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Answer 2

☘️ Answer:

Water gets polluted by:

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