Chapter 11 Sect. 3: Water Pollution

Which of the following is not an example of nonpoint-source pollution?

• Marcus does not realize that his car is leaking oil on city streets and in parking lots.

• Some of the animal waste from farms in Kansas is washed into a nearby stream.

• Jennifer changes the oil in her car and dumps the old oil into the nearest storm drain.

• A chemical manufacturing plant is legally piping wastewater directly into a nearby lake.

Surface runoff from a mining operation is most likely to contain which of the following types of pollutants?

• pathogens

• organic matter

• heavy metals

• physical agents

Some states have limited the amount of phosphates allowed in detergents because phosphates are an example of a pollutant that contributes to artificial eutrophication. Which group of pollutants do those phosphates belong to?

• organic matter

• organic chemicals

• inorganic chemicals

• physical agents

The 1993 outbreak of Cryptosporidium parvum occurred when

• water treatment plants became overburdened.

• toxic sewage sludge was not disposed of carefully.

• acid precipitation contaminated water sources.

• agricultural runoff contaminated water sources.

Which of the following is not part of the secondary treatment at a sewage treatment plant?

• Bacteria consume oxygen.

• Coffee grounds are filtered out.

• Water is released into the ocean.

• Chlorine is added to disinfect the water.

Two processes related to the amount of oxygen in a body of water can cause large fish kills. When the amount of oxygen in water decreases because the temperature increases, ____________ occurs. When the amount of oxygen in water decreases because inorganic plant nutrients increase, ____________ occur(s).

• thermal pollution, natural eutrophication

• eutrophication, algal blooms

• thermal pollution, artificial eutrophication

• groundwater pollution, thermal pollution

Tags

NGSS.MS-LS2-3

Groundwater pollution is difficult to treat because

• groundwater recharges very slowly.

• the water disperses through a large area.

• pollution can cling to materials that hold groundwater.

• All of the above.

All of the following are types of ocean pollution except

• oils spills.

• overfishing.

• waste disposal.

• nonpoint-source pollution

____________ is the accumulation of pollutants at successive levels of the food chain.

• Eutrophication

• Bioaquisition

• Biomagnification

• Point-source pollution

Which of the following statements about efforts to reduce water pollution in the United States is false?

• All of the surface water in the U.S. is clean enough for fishing and swimming.

• By 2015, all U.S. oil tankers were built with two hulls instead of one.

• U.S. cities are looking for new ways to use and dispose of sewage sludge.

• Stricter laws in the U.S. reduce the amount of medical waste dumped at sea.

Tags

NGSS.MS-ESS3-3