Question

measures of overcome river pollution

Answer 1

#1 Setting sewage treatment plants since the dirty water from the sewage goes into the rivers.
#2Stopping the deposition of untreated industrial effluents into the river water
#3Disposing off wastes in dustbins rather than in sewage.
#4Less or no use of pesticides and insecticides in farms since these contain toxins and are flowed into river water during rain