Question

what is meant by water pollution ? How does it occur ? State any four sources of water pollution?

Answer 1

Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

Water pollution

Answer 2

hii, see water pollution is contamination of pure water by various pollutants .it occurs when pollutants from the factories is released into water.
four sources are
factories
laundries
fertilisers from farm
organic wastes