Question

Suggest any threeway to prevent the pollution of river

Answer 1

Don’t pour insecticides in sinks and toilets: Never pour household insecticides, medicines, etc. down the sink, drain or toilet. At homes, people often throw wastes and old medicines into the bathroom toilet. This practice is discouraged for the reason that the chemical compounds of medicines, insecticides, etc., when mixed with other chemicals, may result in formation of harmful substances.

Treatment of wastes before discharge: Factories are expected to treat its effluent wastes prior to discharge. Toxic material must be treated chemically and converted into harmless materials. If possible, factories should try to recycle the treated water.

By stoping the industries from releasing wastes into the water:
Industries cause a major threat to water pollution they release the harmful wastes into the air as sewage and it destructs the fresh water, it also vanishes the aquatic organisms living in the rivers...