Question 1

Water is a national security issue.

Accepted Answer

A) True 
 B)False

Question 2

Despite the heavy withdrawals of water from the Colorado River, most of its water reaches the Gulf of California.

Accepted Answer

A) True 
 B)False

Question 3

One method of desalination uses high pressure to force saltwater through a membrane filter.This method is called

Accepted Answer

A) diffusion 
B) distillation 
C) reverse osmosis 
D) active transport 
E) passive transport 
A) diffusion 
B) distillation 
C) reverse osmosis 
D) active transport 
E) passive transport

Question 4

One of the major human activities that has contributed to flooding is

Accepted Answer

A) constructing dams 
B) directing stream flow 
C) destroying vegetation 
D) irrigation 
E) urbanization 
A) constructing dams 
B) directing stream flow 
C) destroying vegetation 
D) irrigation 
E) urbanization

Question 5

Because of greatly increased irrigation, Africa's Lake Chad has shrunk by ____% since the 1960s.

Accepted Answer

A) 43 
B) 55 
C) 77 
D) 86 
E) 97 
A) 43 
B) 55 
C) 77 
D) 86 
E) 97

Question 6

Dams have significant advantages, and significant disadvantages.Compare and contrast these advantages and disadvantages and explain whether you think dams are an appropriate tool for dealing with fresh water.

Accepted Answer

The answer should weigh the advantages a

Question 7

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 8

Global competition for water to grow food will result in food shortages and hunger among the wealthier nations of the world.

Accepted Answer

A) True 
 B)False

Question 9

Groundwater overdrafts near coastal areas can contaminate aquifers with ____________________.

Accepted Answer

The answer of Groundwater overdrafts near coastal areas can contaminate...

Question 10

One of the most important and effective ways to reduce flooding is to

Accepted Answer

A) preserve and restore wetlands 
B) straighten and deepen streams 
C) build floodwalls 
D) encourage people to build on floodplains 
E) build dams 
A) preserve and restore wetlands 
B) straighten and deepen streams 
C) build floodwalls 
D) encourage people to build on floodplains 
E) build dams

Question 11

Reverse osmosis is the only practical method of desalination.

Accepted Answer

A) True 
 B)False

Question 12

Agriculture consumes ____________________ of the water withdrawn in California, much of it used inefficiently for growing crops in desert-like condition of the southern half of the state.

Accepted Answer

The answer of Agriculture consumes ____________________ of the water withdrawn...

Question 13

The United States unnecessarily wastes approximately how much of the water it withdraws from groundwater and surface supplies?

Accepted Answer

A) 30% 
B) 40% 
C) 50% 
D) 60% 
E) 70% 
A) 30% 
B) 40% 
C) 50% 
D) 60% 
E) 70%

Question 14

The advantages of withdrawing groundwater include all of the following except

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 15

Despite advances in technology, desalination is still not cheap enough to make it useful for most irrigation or drinking water.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Access to water issue for all of humanity. The authors list four of those issues. Which of the following is not one of those issues?

Accepted Answer

A) scientific issue 
B) global health issue 
C) economic issue 
D) national and global security issue 
E) environmental issue 
A) scientific issue 
B) global health issue 
C) economic issue 
D) national and global security issue 
E) environmental issue

Question 18

The water table for parts of the massive Ogallala aquifer has dropped as much as ____ meters as a result of the water being withdrawn for irrigation.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 20 
E) 30 
A) 5 
B) 10 
C) 15 
D) 20 
E) 30

Question 19

Affluent lifestyles use a lot of water.For example, how much water does it take to make one automobile?

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 20

Water percolating downward until it comes to an impenetrable layer of rock is called groundwater.

Accepted Answer

A) True 
 B)False

Exam 13: Water Resources

Water is a national security issue.

Despite the heavy withdrawals of water from the Colorado River, most of its water reaches the Gulf of California.

One method of desalination uses high pressure to force saltwater through a membrane filter.This method is called

One of the major human activities that has contributed to flooding is

Because of greatly increased irrigation, Africa's Lake Chad has shrunk by ____% since the 1960s.

Dams have significant advantages, and significant disadvantages.Compare and contrast these advantages and disadvantages and explain whether you think dams are an appropriate tool for dealing with fresh water.

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

Global competition for water to grow food will result in food shortages and hunger among the wealthier nations of the world.

Groundwater overdrafts near coastal areas can contaminate aquifers with ____________________.

One of the most important and effective ways to reduce flooding is to

Reverse osmosis is the only practical method of desalination.

Agriculture consumes ____________________ of the water withdrawn in California, much of it used inefficiently for growing crops in desert-like condition of the southern half of the state.

The United States unnecessarily wastes approximately how much of the water it withdraws from groundwater and surface supplies?

The advantages of withdrawing groundwater include all of the following except

Despite advances in technology, desalination is still not cheap enough to make it useful for most irrigation or drinking water.

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

Access to water issue for all of humanity. The authors list four of those issues. Which of the following is not one of those issues?

The water table for parts of the massive Ogallala aquifer has dropped as much as ____ meters as a result of the water being withdrawn for irrigation.

Affluent lifestyles use a lot of water.For example, how much water does it take to make one automobile?

Water percolating downward until it comes to an impenetrable layer of rock is called groundwater.

Environmental Problems, Their Causes, and Sustainability

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Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Terrestrial Biodiversity: the Ecosystem Approach

Sustaining Aquatic Biodiversity

Food, Soil, and Pest Management

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Water Pollution

Solid and Hazardous Waste

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