Question 1

The southern part of the Aral Sea has lost 90% of its volume of water,destroying wetlands and eliminating large numbers of bird and mammal species.

Accepted Answer

A) True 
 B)False

Question 2

Aquifers provide drinking water for how much of the world's population?

Accepted Answer

A)  25% 
B)  33% 
C)  50% 
D)  67% 
E)  75% 
A)  25% 
B)  33% 
C)  50% 
D)  67% 
E)  75%

Question 3

The largest single use of domestic water in the United States is ____________________.

Accepted Answer

The answer of The largest single use of domestic water...

Question 4

Satellites can be used by scientists to detect changes in ____.

Accepted Answer

A)  water quality 
B)  groundwater supplies 
C)  aquifer density 
D)  water demand 
E)  irrigation efficiency 
A)  water quality 
B)  groundwater supplies 
C)  aquifer density 
D)  water demand 
E)  irrigation efficiency

Question 5

More modern countries use more water.For example,how much water does it take to produce one small car?

Accepted Answer

A)  450,000 gallons 
B)  392,600 liters 
C)  104,000 gallons 
D)  45,000 liters 
E)  45,000 gallons 
A)  450,000 gallons 
B)  392,600 liters 
C)  104,000 gallons 
D)  45,000 liters 
E)  45,000 gallons

Question 6

The Aral Sea Disaster Case Study is a classic example of unintended consequences.Summarize the events leading to the current situation and suggest what you think may be in the future for the sea.

Accepted Answer

The major points of the case study shoul

Question 7

What are the major concerns with pumping water from ancient,deep aquifers?

Accepted Answer

The deep aquifers are nonrenewable and c

Question 8

What are the factors that may lead to increased water shortages in the United States by 2025?

Accepted Answer

Drought,rising temperatures,population g

Question 9

Areas such as the San Joaquin Valley and Mexico City have experienced subsidence because ____.

Accepted Answer

A)  of a drought that lasted decades 
B)  the sediments were all clay 
C)  groundwater was overpumped 
D)  of urban growth that made the area sink 
E)  the main rivers were dammed 
A)  of a drought that lasted decades 
B)  the sediments were all clay 
C)  groundwater was overpumped 
D)  of urban growth that made the area sink 
E)  the main rivers were dammed

Question 10

What percentage of water withdrawn from lakes,streams,and rivers is used by cities and residences?

Accepted Answer

A)  10% 
B)  20% 
C)  50% 
D)  70% 
E)  80% 
A)  10% 
B)  20% 
C)  50% 
D)  70% 
E)  80%

Question 11

Of the world's 177 longest rivers,only ____________________ of them run freely all the way to the sea.

Accepted Answer

The answer of Of the world's 177 longest rivers,only ____________________...

Question 12

Many proposals have been put forth for improving desalinization.Which of the following is not one of these?

Accepted Answer

A)  operating ships that carry desalination equipment offshore 
B)  operating desalination plants by solar energy 
C)  using ocean wave energy for desalination plants 
D)  building desalination plants next to coastal energy plants to use their cooling water 
E)  letting natural evaporation remove the water in large shallow basins 
A)  operating ships that carry desalination equipment offshore 
B)  operating desalination plants by solar energy 
C)  using ocean wave energy for desalination plants 
D)  building desalination plants next to coastal energy plants to use their cooling water 
E)  letting natural evaporation remove the water in large shallow basins

Question 13

According to water resource experts,the main cause of water waste is ____.

Accepted Answer

A)  leakage 
B)  long showers 
C)  old toilets 
D)  dishwashers 
E)  cheap prices 
A)  leakage 
B)  long showers 
C)  old toilets 
D)  dishwashers 
E)  cheap prices

Question 14

In 2010,____________________ people lacked access to enough clean water to drink,cook,and wash.

Accepted Answer

The answer of In 2010,____________________ people lacked access to enough...

Question 15

What is the land from which surface water drains into a particular lake,river,or other body of water?

Accepted Answer

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

Question 16

Which of the following is not true of the disaster that befell the Aral Sea?

Accepted Answer

A)  Surface level of the sea has dropped by 22 meters. 
B)  The cause of the disaster was a water diversion project. 
C)  Shrinkage of the Aral Sea has altered local climate. 
D)  Populations of local animal species have remained stable. 
E)  Salt and sand from the dry sea bottom spread as far as 300 kilometers. 
A)  Surface level of the sea has dropped by 22 meters. 
B)  The cause of the disaster was a water diversion project. 
C)  Shrinkage of the Aral Sea has altered local climate. 
D)  Populations of local animal species have remained stable. 
E)  Salt and sand from the dry sea bottom spread as far as 300 kilometers.

Question 17

Which of the following is not a good solution for water waste?

Accepted Answer

A)  Use night irrigation. 
B)  Discourage organic farming. 
C)  Irrigate with treated urban waste water. 
D)  Line canals bringing water to irrigation ditches. 
E)  Avoid growing water-thirsty crops in dry areas. 
A)  Use night irrigation. 
B)  Discourage organic farming. 
C)  Irrigate with treated urban waste water. 
D)  Line canals bringing water to irrigation ditches. 
E)  Avoid growing water-thirsty crops in dry areas.

Question 18

In the United States,approximately one-half of the water used comes from groundwater sources and the other one-half from surface sources.

Accepted Answer

A) True 
 B)False

Question 19

Indirectly used water,that is,water consumed to produce food and other products,is called ____.

Accepted Answer

A)  surface runoff 
B)  virtual water 
C)  non-renewal aquifers 
D)  water table 
E)  groundwater 
A)  surface runoff 
B)  virtual water 
C)  non-renewal aquifers 
D)  water table 
E)  groundwater

Question 20

How might climate change affect water shortages? Provide an example.

Accepted Answer

Climate change may result in m

Exam 13: Water Resources

The southern part of the Aral Sea has lost 90% of its volume of water,destroying wetlands and eliminating large numbers of bird and mammal species.

Aquifers provide drinking water for how much of the world's population?

The largest single use of domestic water in the United States is ____________________.

Satellites can be used by scientists to detect changes in ____.

More modern countries use more water.For example,how much water does it take to produce one small car?

The Aral Sea Disaster Case Study is a classic example of unintended consequences.Summarize the events leading to the current situation and suggest what you think may be in the future for the sea.

What are the major concerns with pumping water from ancient,deep aquifers?

What are the factors that may lead to increased water shortages in the United States by 2025?

Areas such as the San Joaquin Valley and Mexico City have experienced subsidence because ____.

What percentage of water withdrawn from lakes,streams,and rivers is used by cities and residences?

Of the world's 177 longest rivers,only ____________________ of them run freely all the way to the sea.

Many proposals have been put forth for improving desalinization.Which of the following is not one of these?

According to water resource experts,the main cause of water waste is ____.

In 2010,____________________ people lacked access to enough clean water to drink,cook,and wash.

What is the land from which surface water drains into a particular lake,river,or other body of water?

Which of the following is not true of the disaster that befell the Aral Sea?

Which of the following is not a good solution for water waste?

In the United States,approximately one-half of the water used comes from groundwater sources and the other one-half from surface sources.

Indirectly used water,that is,water consumed to produce food and other products,is called ____.

How might climate change affect water shortages? Provide an example.

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