APES Water Pollution Quiz

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

The most polluted river in the United States is the ________ River.

Mississippi

Which of the following is a non-point source of water pollution?

logged forest with no trees or vegetation

These may occur when oxygen-demanding wastes are added to the water

oxygen sag curves

Which statement about lakes is true?

Lakes are more vulnerable than streams to contamination by plant nutrients, oil, pesticides, and toxic substances that can destroy bottom life.

Which of the following is a measure of the amount of suspended material in water?

turbidity

Thermal water pollution can be reduced by all of the following methods except-

using more electricity

Which of the following is NOT a method for cleaning up an oil spill?

using underwater robots to help gather the oil

In a septic tank system (rural area), which of the following is not true?

waste water is pumped into a settling tank and treated with chlorine

To be considered safe for drinking, a 100 milliliter sample of water should contain ___ colonies of coliform bacteria.

0

The Great Lakes possess ___% of all the surface fresh water in the United States.

95%

Which of the following is most likely to occur in a forested region that has been recently clear-cut?

The concentration of nitrates in streams running through the region will increase.

The Clean Water Act and Water Quality Act attempt to maintain the ____ integrity of U.S. waters.

biological, chemical, and physical

A good indicator of water quality is the number of-

coliform bacteria

Livestock growers can control runoff of animal wastes from feedlots and barnyards by-

diverting runoff of animal wastes into detention basins.

Of the following, which is the best example of a point source of water pollution?

factory effluent

The presence of high levels of fecal coli form bacteria in a water source indicates that the water-

has been contaminated by untreated animal or human waste

The most common problem encountered by seabirds coated in oil is-

loss of buoyancy and insulation, causing deaths from exposure.

Over half of the total mass of pollutants entering streams and lakes comes from:

non-point source pollution from agriculture

Which of the following is a point source of water pollution?

offshore oil wells

A body of water can be depleted of its oxygen by:

organic wastes

The greatest amount of fresh water is found in which of the following?

polar ice caps and glaciers

Overuse of groundwater in coastal areas would most likely result in which of the following?

saltwater intrusion

To determine the presence and concentration of water pollutants, scientists are least likely to use:

satellite photographs

Chesapeake Bay has been quite vulnerable to pollution because it is-

shallow and flushes only 1% of the pollutants that enter it.

In cultural eutrophication, game fish die from

suffocation from lack of oxygen


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