Question 1

According to water resource experts, what are the two main causes of water waste?

Accepted Answer

A)  lack of government subsidies for improving the efficiency of water use and ignorance about the amount of water being wasted 
B)  low cost of water to users and lack of government subsidies for improving the efficiency of water use 
C)  lack of desire to conserve water and knowledge that there is actually enough water on the planet to supply all uses 
D)  lack of information about efficient irrigation systems and lack of regulation of water use 
E)  There is a single main cause of water waste and it is the lack of regulation of water use. 
A)  lack of government subsidies for improving the efficiency of water use and ignorance about the amount of water being wasted 
B)  low cost of water to users and lack of government subsidies for improving the efficiency of water use 
C)  lack of desire to conserve water and knowledge that there is actually enough water on the planet to supply all uses 
D)  lack of information about efficient irrigation systems and lack of regulation of water use 
E)  There is a single main cause of water waste and it is the lack of regulation of water use. B

Question 2

Which of the following is true of flood irrigation?

Accepted Answer

A)  It relies solely on water that falls directly on the crop fields in the form of precipitation. 
B)  It results in 40% inefficient loss of the water applied. 
C)  It is the primary form of irrigation used in China. 
D)  It results in 40% inefficient loss of the water applied and it is the primary form of irrigation used in China. 
E)  At this time, it is the most efficient way to irrigate, from all of the known methods. 
A)  It relies solely on water that falls directly on the crop fields in the form of precipitation. 
B)  It results in 40% inefficient loss of the water applied. 
C)  It is the primary form of irrigation used in China. 
D)  It results in 40% inefficient loss of the water applied and it is the primary form of irrigation used in China. 
E)  At this time, it is the most efficient way to irrigate, from all of the known methods. D

Question 3

Nitrates and phosphates are examples of

Accepted Answer

A)  disease-causing agents 
B)  oxygen-demanding wastes 
C)  organic chemicals 
D)  plant nutrients 
E)  Sediment 
A)  disease-causing agents 
B)  oxygen-demanding wastes 
C)  organic chemicals 
D)  plant nutrients 
E)  Sediment D

Question 4

In a freshwater river or stream, clearly explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

Accepted Answer

If there are high quantities of organic

Question 5

A water resource that would be categorized as nonrenewable would be

Accepted Answer

A)  water vapor in the atmosphere 
B)  Precipitation 
C)  surface water in lakes and streams 
D)  confined aquifers 
E)  Snowpack 
A)  water vapor in the atmosphere 
B)  Precipitation 
C)  surface water in lakes and streams 
D)  confined aquifers 
E)  Snowpack

Question 6

In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's.

Accepted Answer

The answer of In the United States and most other...

Question 7

Which of the following statements is false?

Accepted Answer

A)  Heat lowers dissolved oxygen in streams and rivers. 
B)  Organic wastes that can be decomposed by aerobic bacteria reduce the amount of oxygen in the water supply. 
C)  Toxic chemicals released from industries can result in fish kills. 
D)  Inorganic nutrients such as fertilizers have no adverse effects on aquatic ecosystems. 
E)  Sediment can cloud water and reduce photosynthesis. 
A)  Heat lowers dissolved oxygen in streams and rivers. 
B)  Organic wastes that can be decomposed by aerobic bacteria reduce the amount of oxygen in the water supply. 
C)  Toxic chemicals released from industries can result in fish kills. 
D)  Inorganic nutrients such as fertilizers have no adverse effects on aquatic ecosystems. 
E)  Sediment can cloud water and reduce photosynthesis.

Question 8

A large amount of the world's drinking water comes from desalination.

Accepted Answer

A) True 
 B)False

Question 9

MATCHING
  
-On the dilution and decay of degradable wastes figure, choose the zone in which the water has recovered from oxygen-demanding wastes and heat.

Accepted Answer

The answer of MATCHING
  
-On the dilution and decay...

Question 10

An oligotrophic lake tends to have relatively high levels of dissolved oxygen.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements about desalination is true?

Accepted Answer

A)  The common methods of desalination are reverse osmosis and transpiration. 
B)  Desalination is expensive. 
C)  The removed salt can be dumped back into the ocean with no real concerns. 
D)  Desalination is the best approach to solving irrigation problems. 
E)  Desalination is the best method of acquiring clear water for drinking. 
A)  The common methods of desalination are reverse osmosis and transpiration. 
B)  Desalination is expensive. 
C)  The removed salt can be dumped back into the ocean with no real concerns. 
D)  Desalination is the best approach to solving irrigation problems. 
E)  Desalination is the best method of acquiring clear water for drinking.

Question 12

Cruise ships are a significant source of pollution of ocean water.

Accepted Answer

A) True 
 B)False

Question 13

Writer Jacques Leslie, in his Harper's Magazine article of July 2000, made this statement: "Las Vegas is America's city of fantasy, and water, not wealth, is its greatest fantasy of all. Comment on this statement using information from this chapter.

Accepted Answer

Answers may vary but should fo

Question 14

Clearly explain how soil erosion, associated with poor agricultural practices, can lead to a decrease in dissolved oxygen in bodies of water.

Accepted Answer

Poor agricultural practices that result

Question 15

Worldwide, about 70% of the water withdrawn each year is used for

Accepted Answer

A)  industrial processes 
B)  cooling towers of power plants 
C)  irrigation of croplands and raising livestock 
D)  domestic use 
E)  water theme parks in tourist areas 
A)  industrial processes 
B)  cooling towers of power plants 
C)  irrigation of croplands and raising livestock 
D)  domestic use 
E)  water theme parks in tourist areas

Question 16

According to the United Nations, from 30% to 60% of all water supplied in all of the world's major cities in developing countries is

Accepted Answer

A)  used for crop irrigation 
B)  lost through leakage of water mains, pipes, pumps, and valves 
C)  recycled as grey water 
D)  used for watering landscaping 
E)  polluted 
A)  used for crop irrigation 
B)  lost through leakage of water mains, pipes, pumps, and valves 
C)  recycled as grey water 
D)  used for watering landscaping 
E)  polluted

Question 17

The shift to pollution prevention will most likely be the result of

Accepted Answer

A)  bottom-up political pressure 
B)  elected officials recognizing the benefits of sustainable living 
C)  financial benefits of pollution prevention inspiring business leaders 
D)  community cooperatives promoting the idea 
E)  top-down politics starting at the White House 
A)  bottom-up political pressure 
B)  elected officials recognizing the benefits of sustainable living 
C)  financial benefits of pollution prevention inspiring business leaders 
D)  community cooperatives promoting the idea 
E)  top-down politics starting at the White House

Question 18

Match the items listed below with the appropriate choice
  
-On the primary and secondary sewage treatment figure, choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

Accepted Answer

The answer of Match the items listed below with the...

Question 19

Match the items listed below with the appropriate choice
  
-On the primary and secondary sewage treatment figure, choose the letter that represents where activated sludge settles out in the biological process of sewage treatment.

Accepted Answer

The answer of Match the items listed below with the...

Question 20

Atmospheric warming will increase water pollution in areas with increased rainfall and areas with prolonged drought.

Accepted Answer

A) True 
 B)False

According to water resource experts, what are the two main causes of water waste?

Which of the following is true of flood irrigation?

Nitrates and phosphates are examples of

In a freshwater river or stream, clearly explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

A water resource that would be categorized as nonrenewable would be

In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's.

Which of the following statements is false?

A large amount of the world's drinking water comes from desalination.

MATCHING -On the dilution and decay of degradable wastes figure, choose the zone in which the water has recovered from oxygen-demanding wastes and heat.

An oligotrophic lake tends to have relatively high levels of dissolved oxygen.

Which of the following statements about desalination is true?

Cruise ships are a significant source of pollution of ocean water.

Writer Jacques Leslie, in his Harper's Magazine article of July 2000, made this statement: "Las Vegas is America's city of fantasy, and water, not wealth, is its greatest fantasy of all. Comment on this statement using information from this chapter.

Clearly explain how soil erosion, associated with poor agricultural practices, can lead to a decrease in dissolved oxygen in bodies of water.

Worldwide, about 70% of the water withdrawn each year is used for

According to the United Nations, from 30% to 60% of all water supplied in all of the world's major cities in developing countries is

The shift to pollution prevention will most likely be the result of

Match the items listed below with the appropriate choice -On the primary and secondary sewage treatment figure, choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

Match the items listed below with the appropriate choice -On the primary and secondary sewage treatment figure, choose the letter that represents where activated sludge settles out in the biological process of sewage treatment.

Atmospheric warming will increase water pollution in areas with increased rainfall and areas with prolonged drought.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

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Exam 11: Water Resources and Water Pollution

According to water resource experts, what are the two main causes of water waste?

Which of the following is true of flood irrigation?

Nitrates and phosphates are examples of

In a freshwater river or stream, clearly explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

A water resource that would be categorized as nonrenewable would be

In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's.

Which of the following statements is false?

A large amount of the world's drinking water comes from desalination.

MATCHING -On the dilution and decay of degradable wastes figure, choose the zone in which the water has recovered from oxygen-demanding wastes and heat.

An oligotrophic lake tends to have relatively high levels of dissolved oxygen.

Which of the following statements about desalination is true?

Cruise ships are a significant source of pollution of ocean water.

Writer Jacques Leslie, in his Harper's Magazine article of July 2000, made this statement: "Las Vegas is America's city of fantasy, and water, not wealth, is its greatest fantasy of all. Comment on this statement using information from this chapter.

Clearly explain how soil erosion, associated with poor agricultural practices, can lead to a decrease in dissolved oxygen in bodies of water.

Worldwide, about 70% of the water withdrawn each year is used for

According to the United Nations, from 30% to 60% of all water supplied in all of the world's major cities in developing countries is

The shift to pollution prevention will most likely be the result of

Match the items listed below with the appropriate choice -On the primary and secondary sewage treatment figure, choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

Match the items listed below with the appropriate choice -On the primary and secondary sewage treatment figure, choose the letter that represents where activated sludge settles out in the biological process of sewage treatment.

Atmospheric warming will increase water pollution in areas with increased rainfall and areas with prolonged drought.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters