Exam 12: Water Resources

Excessive water removal in coastal areas can cause __________ intrusion into wells.

Irrigation in arid or semiarid areas can lead to the problem of __________.

The DOE defines a permanent repository as one that will isolate radioactive wastes for 10,000 years.

Dams provide a net __________ of water and a __________ controlled flow of the stream.

A/an __________ __________ __________ forms near a well where water is withdrawn faster than it can flow.

Any process that uses water and then returns it to the Earth far from its source is called __________.

If desert or semidesert soils are irrigated for long periods of time:

If the present pattern of water use continues, one-quarter of the original water in the wells in the Ogallala aquifer beneath the high plains will:

Heat can pollute water.

In the United States, some of the __________ regions use the __________ amounts of water.

After all of the oxygen in a waterway is consumed, __________ __________ take(s) over.

Arsenic is an example of a toxic inorganic compound.

Ground-water contaminants normally spread slowly into an aquifer as a contaminant __________.

A/an __________ pollutant can be consumed and destroyed by organisms.

Which of the following is not a problem in ground water pollution?

Sediment accumulates in a reservoir above a dam even though the water in the reservoir continues to flow.

Fertilizer runoff from fields is an example of __________ __________ pollution.

Dams and diversions can:

The __________ __________ __________ comprises an arid and semiarid region between the western mountains and the 100° meridian in the United States.

Which is the most logical sequence of steps in identifying and treating a contaminated aquifer?