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What are the main causes of water pollution ? How can it be controlled ? |
Answer» Main causes of water pollution are: • Chemical waste, industrial waste and agricultural processes. • Thermal waste from nuclear and thermal power plants. • Sewage and garbage. Prevention of water pollution: • Domestic sewage should be treated before being discharged into rivers. • Using of non-biodegradable substances like detergents should be stopped. • Trees and plants must be planted along the banks of rivers. • Purification of water bodies should be carried out. • The waste products of industries should be treated before they are discharged into rivers. |
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