What are the factors responsible for pollution o the river?

the causes of water pollution are :

  1. the toxic substances discharged 4m factories and industries make the water unfir 4 drinking.
  2. marine habitat is affected by oil spills.
  3. polluted water containing domestic sewage becomes a breeding ground 4 a number of water_borne diseases.weed
  4. water contaminated with mercury is very harmful 4 all living beings.
  5. smtymes ,too many weed and algae are seen growing in a water body. this is often a result of the chemicals which are used to gro crops,chemicals are carried by rainwater into water bodies.

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What are the factors responsible for pollution of the river?

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