Question 1

ZONES
  
-Which letter in the diagram corresponds to the zone in which the population of organisms with high oxygen requirements will most likely be eliminated?

Accepted Answer

The answer of ZONES
  
-Which letter in the diagram...

Question 2

Solar disinfection and cloth filtering are water purification systems,the use of which is encouraged in the U.S.Clean Water Act.

Accepted Answer

A) True 
 B)False

Question 3

What percentage of water enters the Great Lakes and leaves by the St.Lawrence River?

Accepted Answer

A)  less than 1% 
B)  between 1 and 8% 
C)  between 8 and 16% 
D)  between 16 and 32% 
A)  less than 1% 
B)  between 1 and 8% 
C)  between 8 and 16% 
D)  between 16 and 32%

Question 4

What is one source of groundwater contamination?

Accepted Answer

A)  sulfuric acid deposition in a lake 
B)  the drilling of residential wells 
C)  abandoned hazardous waste dumps 
D)  geological seismic surveys 
A)  sulfuric acid deposition in a lake 
B)  the drilling of residential wells 
C)  abandoned hazardous waste dumps 
D)  geological seismic surveys

Question 5

PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which letter in the diagram corresponds to the point at which large floating objects and solids are removed?

Accepted Answer

The answer of PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which...

Question 6

Which substance can be depleted from water by heat,organic wastes,and inorganic plant nutrients?

Accepted Answer

A)  particulate matter 
B)  oxygen 
C)  nitrogen 
D)  minerals 
A)  particulate matter 
B)  oxygen 
C)  nitrogen 
D)  minerals

Question 7

Unlike streams,groundwater cannot cleanse itself of ______________________________ because it flows so slowly.

Accepted Answer

The answer of Unlike streams,groundwater cannot cleanse itself of ______________________________...

Question 8

Which statement describes the sewage situation that exists in most developing countries?

Accepted Answer

A)  Discharge of untreated sewage is a growing problem. 
B)  People draw water directly from sewage discharge sites. 
C)  Waste treatment plants lack a tailing pond. 
D)  Laws exist for controlling water pollution. 
A)  Discharge of untreated sewage is a growing problem. 
B)  People draw water directly from sewage discharge sites. 
C)  Waste treatment plants lack a tailing pond. 
D)  Laws exist for controlling water pollution.

Question 9

Which aquatic ecosystem is capable of diluting,dispersing,and degrading large amounts of sewage,sludge,and oil?

Accepted Answer

A)  an estuary 
B)  the coastal parts of the ocean 
C)  a deep-water ocean area 
D)  a swiftly flowing stream 
A)  an estuary 
B)  the coastal parts of the ocean 
C)  a deep-water ocean area 
D)  a swiftly flowing stream

Question 10

Which rating would a water quality specialist give to Canada's groundwater pollution problem?

Accepted Answer

A)  It is a low-risk ecological problem but a high-risk health problem. 
B)  It is a high-risk ecological problem but a low-risk health problem. 
C)  It is a medium-risk ecological and health problem. 
D)  It is a high-risk ecological and health problem. 
A)  It is a low-risk ecological problem but a high-risk health problem. 
B)  It is a high-risk ecological problem but a low-risk health problem. 
C)  It is a medium-risk ecological and health problem. 
D)  It is a high-risk ecological and health problem.

Question 11

Bottled water often contains contaminates,such as bacteria and harmful organic compounds.

Accepted Answer

A) True 
 B)False

Question 12

The city of ____________________ received a mark of D from the Sierra Legal Defence Fund for continuing its practice of discharging raw sewage into its harbour.

Accepted Answer

The answer of The city of ____________________ received a mark...

Question 13

ZONES
  
-Which letter in the diagram corresponds to the zone in which the bacteria have not started the decay of degradable,oxygen-demanding wastes?

Accepted Answer

The answer of ZONES
  
-Which letter in the diagram...

Question 14

Large quantities of nitrate and phosphate plant nutrients from runoffs can cause a harmful ___________________________________ that can be red,brown,or green.

Accepted Answer

The answer of Large quantities of nitrate and phosphate plant...

Question 15

What causes the death of game fish in cultural eutrophication?

Accepted Answer

A)  salt 
B)  acid deposition 
C)  suffocation from lack of oxygen 
D)  toxic substances in the water 
A)  salt 
B)  acid deposition 
C)  suffocation from lack of oxygen 
D)  toxic substances in the water

Question 16

PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which letter in the diagram corresponds to the point at which sludge is dried before being disposed of?

Accepted Answer

The answer of PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which...

Question 17

PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which letter in the above diagram corresponds to the point at which bacteria are killed and the water is clean?

Accepted Answer

The answer of PRIMARY AND SECONDARY SEWAGE TREATMENT
  
-Which...

Question 18

What causes large fish kills and contamination of drinking water in most developed countries?

Accepted Answer

A)  oxygen levels rising in cooler waters 
B)  increased water temperatures from industrial plants 
C)  sewage treatment plants with holding ponds 
D)  accidental release of toxic industrial chemicals 
A)  oxygen levels rising in cooler waters 
B)  increased water temperatures from industrial plants 
C)  sewage treatment plants with holding ponds 
D)  accidental release of toxic industrial chemicals

Question 19

How can farmers sharply reduce fertilizer runoff?

Accepted Answer

A)  by planting carbon-fixing plants 
B)  by planting buffer zones between cultivated fields and surface water 
C)  by using large amounts of fertilizer 
D)  by installing a transition zone between cultivated fields and surface water 
A)  by planting carbon-fixing plants 
B)  by planting buffer zones between cultivated fields and surface water 
C)  by using large amounts of fertilizer 
D)  by installing a transition zone between cultivated fields and surface water

Question 20

What is one cleanup method for controlling cultural eutrophication?

Accepted Answer

A)  using advanced waste treatment 
B)  planting excess plants near sewage discharge sites 
C)  treating plant growth with herbicides 
D)  harvesting excess weeds 
A)  using advanced waste treatment 
B)  planting excess plants near sewage discharge sites 
C)  treating plant growth with herbicides 
D)  harvesting excess weeds

Exam 22: Water Pollution

ZONES -Which letter in the diagram corresponds to the zone in which the population of organisms with high oxygen requirements will most likely be eliminated?

Solar disinfection and cloth filtering are water purification systems,the use of which is encouraged in the U.S.Clean Water Act.

What percentage of water enters the Great Lakes and leaves by the St.Lawrence River?

What is one source of groundwater contamination?

PRIMARY AND SECONDARY SEWAGE TREATMENT -Which letter in the diagram corresponds to the point at which large floating objects and solids are removed?

Which substance can be depleted from water by heat,organic wastes,and inorganic plant nutrients?

Unlike streams,groundwater cannot cleanse itself of ______________________________ because it flows so slowly.

Which statement describes the sewage situation that exists in most developing countries?

Which aquatic ecosystem is capable of diluting,dispersing,and degrading large amounts of sewage,sludge,and oil?

Which rating would a water quality specialist give to Canada's groundwater pollution problem?

Bottled water often contains contaminates,such as bacteria and harmful organic compounds.

The city of ____________________ received a mark of D from the Sierra Legal Defence Fund for continuing its practice of discharging raw sewage into its harbour.

ZONES -Which letter in the diagram corresponds to the zone in which the bacteria have not started the decay of degradable,oxygen-demanding wastes?

Large quantities of nitrate and phosphate plant nutrients from runoffs can cause a harmful ___________________________________ that can be red,brown,or green.

What causes the death of game fish in cultural eutrophication?

PRIMARY AND SECONDARY SEWAGE TREATMENT -Which letter in the diagram corresponds to the point at which sludge is dried before being disposed of?

PRIMARY AND SECONDARY SEWAGE TREATMENT -Which letter in the above diagram corresponds to the point at which bacteria are killed and the water is clean?

What causes large fish kills and contamination of drinking water in most developed countries?

How can farmers sharply reduce fertilizer runoff?

What is one cleanup method for controlling cultural eutrophication?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

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Community Ecology

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Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

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Risk,toxicology,and Human Health

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Sustainable Cities

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