Question

Water pollution can be controlled by

• A. Treating sewage or factory wastes to remove harmful organisms and compounds
• B. Using biodegradable fertilizers and pesticides
• C. Both A and B
• D. Electrostatic precipitator

Answer 1

The correct option is C Both A and B

Water pollution is the increase in the concentration of the undesirable harmful compounds in the water resources. The water pollution can be controlled by many ways. The sewage and the factory wastes which contain the pollutants and high number of microbes can be treated before letting the water discharged into water bodies. Biodegradable form of fertilizers and pesticides can be used for the reduction of the soil and water pollution and eutrophication.

Thus, the correct answer is option C.