Pesticides are useful to farmers yet considered as pollutants. Given reasons.

Asked by Topperlearning User | 21st Nov, 2013, 11:32: PM

Expert Answer:

Pesticides kill insects and pests thereby protect the crops but these pesticides remain on the crops which enter the food chain and get accumulated in the organisms at the top most tropic level that causes diseases. When these are washed away by rain river water, it also causes pollution.

Answered by  | 22nd Nov, 2013, 01:32: AM