Write four methods to prevent water pollution.
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Explanation:
Chemical industries which pollute the water most, should be set up away from rivers and water reservoirs.
Wastewater of industries should not be directly disposed off in rivers or sources of water, instead this water should be treated and used for irrigation etc.
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- Water Pollution is caused by dumping of domestic sewage, industrial wastes and detergents into water bodies and flow of harmful chemicals like insecticides, herbicides in water.
- Adequate sewage and industrial waste treatment in sewage treatment plants before dumping them into river bodies.
- Recycling-various products should be recycled instead of dumping them into rivers, e.g., biogas can be made from city waste.
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