And this questions please

#3) Answers:

Driving your car a few miles a week. Use a bike more often.Unplugging your computer or home appliances when they are not in use.Always use the cold water faucet, unless if its necessary.

#4) Answers:

Pollution will cause many problems to environmentEnergy usage could cause loss of natural resources like coal.

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

The answer is c epicenter