Question 1

Which of the following statements about desalination is false?

Accepted Answer

A)  The common methods of desalination are reverse-osmosis and distillation. 
B)  Desalination is expensive. 
C)  The greatest amount of desalination occurs in the wealthy nations. 
D)  Desalination is the best approach to solving irrigation problems. 
E)  Desalination removes dissolved salts from water. 
A)  The common methods of desalination are reverse-osmosis and distillation. 
B)  Desalination is expensive. 
C)  The greatest amount of desalination occurs in the wealthy nations. 
D)  Desalination is the best approach to solving irrigation problems. 
E)  Desalination removes dissolved salts from water.

Question 2

Large dams and reservoirs

Accepted Answer

A)  reduce danger of flooding upstream. 
B)  are inexpensive to build. 
C)  cannot be used for outdoor recreation. 
D)  can be used to provide electric power. 
E)  all of these answers 
A)  reduce danger of flooding upstream. 
B)  are inexpensive to build. 
C)  cannot be used for outdoor recreation. 
D)  can be used to provide electric power. 
E)  all of these answers

Question 3

The systems most commonly used in many developed nations to treat raw sewage on personal property is

Accepted Answer

A)  living machines. 
B)  compost toilets. 
C)  primary sewage treatments. 
D)  secondary sewage treatments. 
E)  septic tanks. 
A)  living machines. 
B)  compost toilets. 
C)  primary sewage treatments. 
D)  secondary sewage treatments. 
E)  septic tanks.

Question 4

Water that is used to produce consumable items but not consumed directly is called ____________________.

Accepted Answer

The answer of Water that is used to produce consumable...

Question 5

Most of the world's rivers are free-flowing.

Accepted Answer

A) True 
 B)False

Question 6

-The maps show the average annual precipitation and the water-deficit regions in the U.S. Some of the water-deficit areas are close to large metropolitan cities. Why do you think that many people choose to live in these areas in spite of water shortages?

Accepted Answer

Large water transfer projects facilitate

Question 7

Developing countries dump the majority of their untreated sewage directly into freshwater ecosystems.

Accepted Answer

A) True 
 B)False

Question 8

Solutions for reducing flood damage include

Accepted Answer

A)  draining wetlands to provide dry areas for building. 
B)  clearing forests to provide surface runoff with clear access to streams and rivers.. 
C)  living on floodplains to allow surface runoff to quickly drain into rivers. 
D)  taxing development on floodplains. 
E)  all of these answers. 
A)  draining wetlands to provide dry areas for building. 
B)  clearing forests to provide surface runoff with clear access to streams and rivers.. 
C)  living on floodplains to allow surface runoff to quickly drain into rivers. 
D)  taxing development on floodplains. 
E)  all of these answers.

Question 9

According to water resource experts,the fundamental cause of water waste is

Accepted Answer

A)  lack of water-saving technology. 
B)  cheap methods of desalination make fresh water plentiful. 
C)  water is underpriced so that there is no incentive to conserve. 
D)  subsidies for local farmers. 
E)  evaporation. 
A)  lack of water-saving technology. 
B)  cheap methods of desalination make fresh water plentiful. 
C)  water is underpriced so that there is no incentive to conserve. 
D)  subsidies for local farmers. 
E)  evaporation.

Question 10

Surface water from a watershed will become groundwater when it infiltrates the ground.

Accepted Answer

A) True 
 B)False

Question 11

Dams

Accepted Answer

A)  deprive downstream areas of nutrients. 
B)  destroy agricultural land and scenic areas. 
C)  inhibit migration of fish. 
D)  control water supplies. 
E)  all of these answers 
A)  deprive downstream areas of nutrients. 
B)  destroy agricultural land and scenic areas. 
C)  inhibit migration of fish. 
D)  control water supplies. 
E)  all of these answers

Question 12

Of the following,the most ecologically responsible way to dispose of sewage sludge is by

Accepted Answer

A)  incineration. 
B)  dumping it into the deep trenches of the ocean. 
C)  using conventional landfills. 
D)  treating it and using it as fertilizer. 
E)  none of these answers. 
A)  incineration. 
B)  dumping it into the deep trenches of the ocean. 
C)  using conventional landfills. 
D)  treating it and using it as fertilizer. 
E)  none of these answers.

Question 13

Which of the following statements is false?

Accepted Answer

A)  Because of their flow, most streams recover rapidly from pollution by heat and biodegradable waste. 
B)  In rapidly flowing rivers, dissolved oxygen is replaced quickly. 
C)  The amount of oxygen in rivers declines in dry seasons. 
D)  In rivers, the oxygen content increases as the water's temperature rises. 
E)  The amount of oxygen in rivers increases as the water's temperature falls. 
A)  Because of their flow, most streams recover rapidly from pollution by heat and biodegradable waste. 
B)  In rapidly flowing rivers, dissolved oxygen is replaced quickly. 
C)  The amount of oxygen in rivers declines in dry seasons. 
D)  In rivers, the oxygen content increases as the water's temperature rises. 
E)  The amount of oxygen in rivers increases as the water's temperature falls.

Question 14

Drinking is the biggest use of water worldwide.

Accepted Answer

A) True 
 B)False

Question 15

Porous water-saturated layers of underground rock,sand,or gravel are known as

Accepted Answer

A)  aquifers. 
B)  recharge areas. 
C)  watersheds. 
D)  cones of depression. 
E)  lakes. 
A)  aquifers. 
B)  recharge areas. 
C)  watersheds. 
D)  cones of depression. 
E)  lakes.

Question 16

Water found in the spaces of soil,gravel,and rock is called

Accepted Answer

A)  infiltration 
B)  percolation 
C)  ground water 
D)  run off 
E)  surface water 
A)  infiltration 
B)  percolation 
C)  ground water 
D)  run off 
E)  surface water

Question 17

Ecological services of rivers include all but which one?

Accepted Answer

A)  Protection of homes and buildings 
B)  Nutrient flow 
C)  Water purification 
D)  Wetland habitats 
E)  Renew and sustain wetlands 
A)  Protection of homes and buildings 
B)  Nutrient flow 
C)  Water purification 
D)  Wetland habitats 
E)  Renew and sustain wetlands

Question 18

Groundwater can be contaminated from all but which one?

Accepted Answer

A)  abandoned hazardous waste dumps 
B)  industrial-waste storage lagoons 
C)  build-up of natural wildlife secretions 
D)  salt water intrusion 
E)  deep well disposal of hazardous wastes 
A)  abandoned hazardous waste dumps 
B)  industrial-waste storage lagoons 
C)  build-up of natural wildlife secretions 
D)  salt water intrusion 
E)  deep well disposal of hazardous wastes

Question 19

Which of the following aquatic ecosystems is most capable of diluting,dispersing,and degrading large amounts of sewage,sludge,and oil?

Accepted Answer

A)  Estuaries 
B)  Swift-flowing streams 
C)  Deep-water oceans 
D)  Coastal parts of the ocean 
E)  Slow-moving rivers 
A)  Estuaries 
B)  Swift-flowing streams 
C)  Deep-water oceans 
D)  Coastal parts of the ocean 
E)  Slow-moving rivers

Question 20

Pollution in the Great Lakes became serious because of all but which one?

Accepted Answer

A)  low flow rate 
B)  overfishing 
C)  invasion of aquatic species 
D)  untreated sewage 
E)  non-point and point source pollution 
A)  low flow rate 
B)  overfishing 
C)  invasion of aquatic species 
D)  untreated sewage 
E)  non-point and point source pollution

Which of the following statements about desalination is false?

Large dams and reservoirs

The systems most commonly used in many developed nations to treat raw sewage on personal property is

Water that is used to produce consumable items but not consumed directly is called ____________________.

Most of the world's rivers are free-flowing.

-The maps show the average annual precipitation and the water-deficit regions in the U.S. Some of the water-deficit areas are close to large metropolitan cities. Why do you think that many people choose to live in these areas in spite of water shortages?

Developing countries dump the majority of their untreated sewage directly into freshwater ecosystems.

Solutions for reducing flood damage include

According to water resource experts,the fundamental cause of water waste is

Surface water from a watershed will become groundwater when it infiltrates the ground.

Dams

Of the following,the most ecologically responsible way to dispose of sewage sludge is by

Which of the following statements is false?

Drinking is the biggest use of water worldwide.

Porous water-saturated layers of underground rock,sand,or gravel are known as

Water found in the spaces of soil,gravel,and rock is called

Ecological services of rivers include all but which one?

Groundwater can be contaminated from all but which one?

Which of the following aquatic ecosystems is most capable of diluting,dispersing,and degrading large amounts of sewage,sludge,and oil?

Pollution in the Great Lakes became serious because of all but which one?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

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Exam 8: Water Resources and Water Pollution

Which of the following statements about desalination is false?

Large dams and reservoirs

The systems most commonly used in many developed nations to treat raw sewage on personal property is

Water that is used to produce consumable items but not consumed directly is called ____________________.

Most of the world's rivers are free-flowing.

-The maps show the average annual precipitation and the water-deficit regions in the U.S. Some of the water-deficit areas are close to large metropolitan cities. Why do you think that many people choose to live in these areas in spite of water shortages?

Developing countries dump the majority of their untreated sewage directly into freshwater ecosystems.

Solutions for reducing flood damage include

According to water resource experts,the fundamental cause of water waste is

Surface water from a watershed will become groundwater when it infiltrates the ground.

Dams

Of the following,the most ecologically responsible way to dispose of sewage sludge is by

Which of the following statements is false?

Drinking is the biggest use of water worldwide.

Porous water-saturated layers of underground rock,sand,or gravel are known as

Water found in the spaces of soil,gravel,and rock is called

Ecological services of rivers include all but which one?

Groundwater can be contaminated from all but which one?

Which of the following aquatic ecosystems is most capable of diluting,dispersing,and degrading large amounts of sewage,sludge,and oil?

Pollution in the Great Lakes became serious because of all but which one?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters