Question 1

There are several advantages of withdrawing groundwater.Which of the following is not one of these?

Accepted Answer

A)  pollution is quickly removed 
B)  can be used for drinking and irrigation 
C)  exists almost anywhere 
D)  renewable if not overpumped 
E)  cheaper to extract than most surface waters 
A)  pollution is quickly removed 
B)  can be used for drinking and irrigation 
C)  exists almost anywhere 
D)  renewable if not overpumped 
E)  cheaper to extract than most surface waters

Question 2

At a certain depth,the area where the spaces in soil and rock are completely filled with water.What is this called?

Accepted Answer

A)  the zone of saturation 
B)  the water table 
C)  an aquifer 
D)  surface water 
E)  the bedrock 
A)  the zone of saturation 
B)  the water table 
C)  an aquifer 
D)  surface water 
E)  the bedrock

Question 3

Rainwater harvesting ____.

Accepted Answer

A)  is only useful in areas where it rains all year round 
B)  cannot be used in urban settings 
C)  is expensive and technically difficult 
D)  involves pumping water from shallow aquifers that are recharged quickly by rain 
E)  collects rainwater from rooftops and stores it 
A)  is only useful in areas where it rains all year round 
B)  cannot be used in urban settings 
C)  is expensive and technically difficult 
D)  involves pumping water from shallow aquifers that are recharged quickly by rain 
E)  collects rainwater from rooftops and stores it

Question 4

Large dam and reservoir projects ____.

Accepted Answer

A)  have no real benefits other than water supply 
B)  can create new farmland 
C)  keeps dirty silt from polluting rivers 
D)  disrupt the migration and spawning of fish 
E)  can last forever 
A)  have no real benefits other than water supply 
B)  can create new farmland 
C)  keeps dirty silt from polluting rivers 
D)  disrupt the migration and spawning of fish 
E)  can last forever

Question 5

Precipitation that does not infiltrate the ground or evaporate is called ____.

Accepted Answer

A)  perspiration 
B)  condensation 
C)  transpiration 
D)  run off 
E)  run in 
A)  perspiration 
B)  condensation 
C)  transpiration 
D)  run off 
E)  run in

Question 6

Groundwater in an aquifer typically moves only a(n)____________________ or so per year.

Accepted Answer

The answer of Groundwater in an aquifer typically moves only...

Question 7

The delta for the Colorado River was destroyed by ____.

Accepted Answer

A)  a hurricane 
B)  flooding 
C)  pollution 
D)  damming the river 
E)  overfishing 
A)  a hurricane 
B)  flooding 
C)  pollution 
D)  damming the river 
E)  overfishing

Question 8

What percentage of China's major cities are already facing water shortages?

Accepted Answer

A)  25% 
B)  33% 
C)  50% 
D)  67% 
E)  100% 
A)  25% 
B)  33% 
C)  50% 
D)  67% 
E)  100%

Question 9

About one of every ____________________ people in the United States is dependent on the Colorado River for water and electricity.

Accepted Answer

The answer of About one of every ____________________ people in...

Question 10

What percentage of the world's water supply is liquid freshwater that is available to living organisms?

Accepted Answer

A)  24% 
B)  20% 
C)  10% 
D)  0.024% 
E)  0.000024% 
A)  24% 
B)  20% 
C)  10% 
D)  0.024% 
E)  0.000024%

Question 11

The geological layer,consisting of underground caverns and porous layers of sand,gravel,or bedrock,where groundwater flows,is called ____.

Accepted Answer

A)  the zone of saturation 
B)  the water table 
C)  an aquifer 
D)  surface water 
E)  the bedrock 
A)  the zone of saturation 
B)  the water table 
C)  an aquifer 
D)  surface water 
E)  the bedrock

Question 12

Access to water is a(n)____________________ because lack of safe water for drinking and sanitation is the world's single largest cause of illness.

Accepted Answer

The answer of Access to water is a(n)____________________ because lack...

Question 13

What percentage of the world's reliable surface runoff is currently being withdrawn?

Accepted Answer

A)  10% 
B)  18% 
C)  22% 
D)  34% 
E)  45% 
A)  10% 
B)  18% 
C)  22% 
D)  34% 
E)  45%

Question 14

Which of the following is not true of the Colorado River basin?

Accepted Answer

A)  Much needed sediment is washed to coastal wetlands. 
B)  80% of water withdrawn from the Colorado River goes to irrigation. 
C)  Government subsidies have led to inefficient use of irrigation water. 
D)  Water is leaking to the ground below the river. 
E)  The evaporation rate is high. 
A)  Much needed sediment is washed to coastal wetlands. 
B)  80% of water withdrawn from the Colorado River goes to irrigation. 
C)  Government subsidies have led to inefficient use of irrigation water. 
D)  Water is leaking to the ground below the river. 
E)  The evaporation rate is high.

Question 15

Many aquifers,including the Ogallala aquifer,were formed thousands of years of years ago.Many of these aquifers are either very slowing recharged,or cannot be recharged.Should removal of this water be treated in the same fashion as mining other resources? What steps should be taken to control the removal of a nonrenewable resource such as this?

Accepted Answer

The answer should examine whether water

Question 16

Currently,desalination plants meet about 12% of the world's water needs.

Accepted Answer

A) True 
 B)False

Question 17

The removal of mangrove forests in coastal areas has resulted in ____.

Accepted Answer

A)  more beaches along which water can collect 
B)  less seawater being held near the shore 
C)  increased flooding 
D)  a reduction in storm surges 
E)  a reduction in mangrove related deaths 
A)  more beaches along which water can collect 
B)  less seawater being held near the shore 
C)  increased flooding 
D)  a reduction in storm surges 
E)  a reduction in mangrove related deaths

Question 18

According to a 2010 study,what percentage of groundwater and surface water withdrawn in the U.S.is used to cool electric power plants?

Accepted Answer

A)  41% 
B)  37% 
C)  13% 
D)  9% 
E)  3% 
A)  41% 
B)  37% 
C)  13% 
D)  9% 
E)  3%

Question 19

Agreements between the United States and ____________________ allocate water from the Colorado River that totals more than the river carries.

Accepted Answer

The answer of Agreements between the United States and ____________________...

Question 20

Water in the spaces between soil,rock,and gravel is called what ____.

Accepted Answer

A)  groundwater 
B)  capillary fringe water 
C)  perched water table 
D)  soil moisture 
E)  soil aquifer 
A)  groundwater 
B)  capillary fringe water 
C)  perched water table 
D)  soil moisture 
E)  soil aquifer

Exam 13: Water Resources

There are several advantages of withdrawing groundwater.Which of the following is not one of these?

At a certain depth,the area where the spaces in soil and rock are completely filled with water.What is this called?

Rainwater harvesting ____.

Large dam and reservoir projects ____.

Precipitation that does not infiltrate the ground or evaporate is called ____.

Groundwater in an aquifer typically moves only a(n)____________________ or so per year.

The delta for the Colorado River was destroyed by ____.

What percentage of China's major cities are already facing water shortages?

About one of every ____________________ people in the United States is dependent on the Colorado River for water and electricity.

What percentage of the world's water supply is liquid freshwater that is available to living organisms?

The geological layer,consisting of underground caverns and porous layers of sand,gravel,or bedrock,where groundwater flows,is called ____.

Access to water is a(n)____________________ because lack of safe water for drinking and sanitation is the world's single largest cause of illness.

What percentage of the world's reliable surface runoff is currently being withdrawn?

Which of the following is not true of the Colorado River basin?

Currently,desalination plants meet about 12% of the world's water needs.

The removal of mangrove forests in coastal areas has resulted in ____.

According to a 2010 study,what percentage of groundwater and surface water withdrawn in the U.S.is used to cool electric power plants?

Agreements between the United States and ____________________ allocate water from the Colorado River that totals more than the river carries.

Water in the spaces between soil,rock,and gravel is called what ____.

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