Answer:
For any community the first priority for them is to stop any type of pollutant or pesticides from reaching the river water or generally clean water. As there are living organisms and plants in danger if any sort of hazardous material reaches clean water in the river. It can cause great damage to many sort of living life.
For that reason there are some initiatives which are taken to stop the pollutants from damaging living life and water.
Explanation:
Ans- option D:Buffer strips- To avoid any pollutants to enter the river the combination of herbs, shrubs and trees are planted at near the required area for the purpose of nutrients and pesticide filtration.As a piece of land is allocated for trapping the sediments. Buffer strip is a process to keep the pollutants away from the river or mainly living life.