Water Pollution Quiz Review

Accumulation of pollutants at successive levels of the food chain is known as - 

• thermal pollution

• waste water

• biomagnification

• artificial eutrophication

________________ is the introduction of chemical, physical, or biological agents into water. 

• thermal pollution

• wastewater

• artificial eutrophication

• water pollution

What happens to the water when humans use an excessive amount of fertilizers that accelerate the build-up of nutrients?

• thermal pollution

• artificial eutrophication

• water pollution

• biomagnification

Water that contains waste from industry or homes is known as - 

• thermal pollution

• wastewater

• biomagnification

• artificial eutrophication

Water temperature increases when power plants and other industries use water in their cooling systems then discharge the warm water into a lake or river. This is caused by - 

• thermal pollution

• wastewater

• artificial eutrophication

• water pollution

Point-source pollution and nonpoint-source pollution differ in

• the kind of biological agents causing the pollution.

• whether the source of pollution is agricultural or industrial.

• the number of sources from which the pollution is discharged.

• whether the pollutants are chemical or physical agents.

Fertilizers are classified as which kind of water pollutant?

• organic chemicals

• heavy metals

• inorganic chemicals

• physical agents

One reason polluted groundwater pollution is difficult to clean is that

• the location of underground storage tanks is not always known.

• pollutants cling to the materials that make up aquifers.

• runoff contaminates the water supply.

Sources of ocean pollution include-

• oil spills.

• activities on land.

• direct dumping of wastewater.

• All of the above

Which Act strengthened the laws against dumping waste in U.S. waters?

• Marine Protection, Research and Sanctuaries Act

• Clean Water Act

• Water Quality Act