How can water pollution be reduced?

a. Use nonbiodegradable dish soap.

b. Throw batteries away.

c. Pour paint down the drain.

d. Pick up nonhazardous litter.

d. Pick up nonhazardous litter.

Water pollution can be reduced by picking up nonhazardous litter and properly disposing of it in designated waste bins. This prevents the litter from ending up in water bodies and causing pollution. It is important to dispose of litter such as plastic bottles, wrappers, and other waste materials in appropriate containers. Additionally, proper waste management practices such as recycling and composting can also help reduce water pollution.