Question 1

The residence time for an average water molecule in the ocean is about ________ years.

Accepted Answer

A)  2 
B)  60 
C)  850 
D)  3000 
E)  12000 
A)  2 
B)  60 
C)  850 
D)  3000 
E)  12000

Question 2

The water pollutant that most commonly threatens human health is

Accepted Answer

A)  pathogenic organisms. 
B)  dissolved plant matter. 
C)  toxic and hazardous chemicals. 
D)  thermal pollution. 
E)  oxygen-demanding wastes. 
A)  pathogenic organisms. 
B)  dissolved plant matter. 
C)  toxic and hazardous chemicals. 
D)  thermal pollution. 
E)  oxygen-demanding wastes.

Question 3

The main reason that surface water pollution has largely decreased in the United States since 1950 is

Accepted Answer

A)  the Clean Water Act. 
B)  a series of epidemics that inspired action. 
C)  the discovery of newer technology that makes it cheaper not to pollute. 
D)  decreases in water withdrawal for industrial uses. 
E)  the emphasis in 1950 of watershed management. 
A)  the Clean Water Act. 
B)  a series of epidemics that inspired action. 
C)  the discovery of newer technology that makes it cheaper not to pollute. 
D)  decreases in water withdrawal for industrial uses. 
E)  the emphasis in 1950 of watershed management.

Question 4

A country's renewable water supplies are generally made up of

Accepted Answer

A)  surface runoff and infiltration into accessible aquifers. 
B)  seasonal flooding and infiltration into accessible aquifers. 
C)  seasonal flooding. 
D)  rivers running through the country. 
E)  water used from an aquifer. 
A)  surface runoff and infiltration into accessible aquifers. 
B)  seasonal flooding and infiltration into accessible aquifers. 
C)  seasonal flooding. 
D)  rivers running through the country. 
E)  water used from an aquifer.

Question 5

The hydrologic compartment that contains the greatest amount of fresh water is

Accepted Answer

A)  groundwater. 
B)  the Great Lakes. 
C)  living organisms and biomass. 
D)  ice and snow. 
E)  clouds in the atmosphere. 
A)  groundwater. 
B)  the Great Lakes. 
C)  living organisms and biomass. 
D)  ice and snow. 
E)  clouds in the atmosphere.

Question 6

A(n) ______________ is all the land drained by a particular river.

Accepted Answer

A)  reservoir 
B)  water table 
C)  watershed 
D)  recharge zone 
E)  aquifer 
A)  reservoir 
B)  water table 
C)  watershed 
D)  recharge zone 
E)  aquifer

Question 7

Factories, sewage treatment plants, and oil wells are __________ sources of water pollution.

Accepted Answer

A)  point 
B)  primary 
C)  nonpoint 
D)  tertiary pollutant 
E)  secondary 
A)  point 
B)  primary 
C)  nonpoint 
D)  tertiary pollutant 
E)  secondary

Question 8

_________ sources of water pollution are relatively easy to monitor and regulate while _____________ sources of water pollution are difficult to monitor and clean up.

Accepted Answer

A)  Domestic; industrial 
B)  Primary; tertiary pollutant 
C)  Nonpoint; point 
D)  Tertiary pollutant; primary 
E)  Point; nonpoint 
A)  Domestic; industrial 
B)  Primary; tertiary pollutant 
C)  Nonpoint; point 
D)  Tertiary pollutant; primary 
E)  Point; nonpoint

Question 9

The heating of natural waterways by power plants and other industrial facilities is a form of water pollution.

Accepted Answer

A) True 
 B)False

Question 10

____________ is to point source of water pollution as _____________ is to nonpoint source of water pollution.

Accepted Answer

A)  Golf course runoff; atmospheric deposition 
B)  Golf course runoff; power plant effluent 
C)  Power plant effluent; golf course runoff 
D)  Atmospheric deposition; golf course runoff 
E)  Power plant effluent; underground coal mine drains 
A)  Golf course runoff; atmospheric deposition 
B)  Golf course runoff; power plant effluent 
C)  Power plant effluent; golf course runoff 
D)  Atmospheric deposition; golf course runoff 
E)  Power plant effluent; underground coal mine drains

The residence time for an average water molecule in the ocean is about ________ years.

The water pollutant that most commonly threatens human health is

The main reason that surface water pollution has largely decreased in the United States since 1950 is

A country's renewable water supplies are generally made up of

The hydrologic compartment that contains the greatest amount of fresh water is

A(n) ______________ is all the land drained by a particular river.

Factories, sewage treatment plants, and oil wells are __________ sources of water pollution.

_ sources of water pollution are relatively easy to monitor and regulate while _____ sources of water pollution are difficult to monitor and clean up.

The heating of natural waterways by power plants and other industrial facilities is a form of water pollution.

is to point source of water pollution as _ is to nonpoint source of water pollution.

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Evolution, Species Interactions, and Biological Communities

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Air: Climate and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

Exam 10: Water: Resources and Pollution

The residence time for an average water molecule in the ocean is about ________ years.

The water pollutant that most commonly threatens human health is

The main reason that surface water pollution has largely decreased in the United States since 1950 is

A country's renewable water supplies are generally made up of

The hydrologic compartment that contains the greatest amount of fresh water is

A(n) ______________ is all the land drained by a particular river.

Factories, sewage treatment plants, and oil wells are __________ sources of water pollution.

_________ sources of water pollution are relatively easy to monitor and regulate while _____________ sources of water pollution are difficult to monitor and clean up.

The heating of natural waterways by power plants and other industrial facilities is a form of water pollution.

____________ is to point source of water pollution as _____________ is to nonpoint source of water pollution.

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Evolution, Species Interactions, and Biological Communities

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Air: Climate and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

_ sources of water pollution are relatively easy to monitor and regulate while _____ sources of water pollution are difficult to monitor and clean up.

is to point source of water pollution as _ is to nonpoint source of water pollution.