Question 1

How long does it take for pollutants to be flushed out of the Great Lakes into the ocean?

Accepted Answer

A) 5 years 
B) 20 years 
C) 50 years 
D) 100 years 
E) 1000 years 
A) 5 years 
B) 20 years 
C) 50 years 
D) 100 years 
E) 1000 years

Question 2

Use the Figure above to answer the following question(s).
-In which zone are organisms that require oxygen most likely going to be absent?

Accepted Answer

The answer of   
 
Use the Figure above...

Question 3

The leading cause of water pollution is ____________________ activities.

Accepted Answer

The answer of The leading cause of water pollution is...

Question 4

The degradation of Lake Washington resulted from the introduction by sewage treatment plants of which of the following?

Accepted Answer

A) phosphorus 
B) nitrogen 
C) oxygen 
D) chlorine 
E) fecal material 
A) phosphorus 
B) nitrogen 
C) oxygen 
D) chlorine 
E) fecal material

Question 5

Eutrophication is a condition in an aquatic ecosystem where high nutrient concentrations stimulate blooms of algae.

Accepted Answer

A) True 
 B)False

Question 6

Use the Figure above to answer the following question(s).
-Choose the letter that represents where large floating objects and solids are removed.

Accepted Answer

The answer of   
 
Use the Figure above...

Question 7

About ____ of U.S.lakes were tested unsafe for fishing, swimming, and other recreational uses.

Accepted Answer

A) 25% 
B) 45% 
C) 65% 
D) 75% 
E) 85% 
A) 25% 
B) 45% 
C) 65% 
D) 75% 
E) 85%

Question 8

The 1972 Clean Water Act has accomplished all of the following between 1972 and 2002, except

Accepted Answer

A) annual wetland losses decreased by 80% 
B) US population served by sewage treatment plants increased from 32% to 74% 
C) US streams are no longer polluted by runoff from animal wastes 
D) Americans served by water systems meeting standards goes from 79% to 94% 
E) US streams that are fishable and swimmable goes from 46% to 60% 
A) annual wetland losses decreased by 80% 
B) US population served by sewage treatment plants increased from 32% to 74% 
C) US streams are no longer polluted by runoff from animal wastes 
D) Americans served by water systems meeting standards goes from 79% to 94% 
E) US streams that are fishable and swimmable goes from 46% to 60%

Question 9

Parking lots are a major source of point source pollution for rivers and lakes.

Accepted Answer

A) True 
 B)False

Question 10

Agricultural and sewage runoffs cause harmful algal blooms, with the algal blooms causing all of the following except

Accepted Answer

A) release waterborne and airborne toxins 
B) poison seafood 
C) decrease agricultural yields 
D) kill some fish-eating birds 
E) reduce tourism 
A) release waterborne and airborne toxins 
B) poison seafood 
C) decrease agricultural yields 
D) kill some fish-eating birds 
E) reduce tourism

Question 11

Though it would be cheaper and as effective to protect watersheds around water sources rather than building treatment facilities, no major city has made the attempt to do so.

Accepted Answer

A) True 
 B)False

Question 12

Drinking water for about ____ of the U.S.population and ____ of the rural populations comes from groundwater.

Accepted Answer

A) 50%; 50% 
B) 50%; 95% 
C) 10%; 50% 
D) 10%; 95% 
E) 75%; 75% 
A) 50%; 50% 
B) 50%; 95% 
C) 10%; 50% 
D) 10%; 95% 
E) 75%; 75%

Question 13

Which of the following is not a preventative method of reducing cultural eutrophication?

Accepted Answer

A) banning the use of phosphate detergents 
B) stopping the runoff of fertilizer from agricultural fields 
C) advanced waste treatment 
D) harvesting excess weeds 
E) soil conservation and land-use controls 
A) banning the use of phosphate detergents 
B) stopping the runoff of fertilizer from agricultural fields 
C) advanced waste treatment 
D) harvesting excess weeds 
E) soil conservation and land-use controls

Question 14

One new form of water pollution is caused by the use of human-made materials such as ____________________, which make up millions of products, all of which eventually end up in the environment.

Accepted Answer

The answer of One new form of water pollution is...

Question 15

To be considered safe for drinking, a 100 milliliter sample of water should contain ____ colonies of coliform bacteria.

Accepted Answer

A) 0 
B) 5 
C) 10 
D) 100 
E) 200 
A) 0 
B) 5 
C) 10 
D) 100 
E) 200

Question 16

One fish in ____ taken from the Great Lakes is unsafe for human consumption.

Accepted Answer

A) ten 
B) seven 
C) five 
D) four 
E) three 
A) ten 
B) seven 
C) five 
D) four 
E) three

Question 17

In a septic tank system, which of the following is not true?

Accepted Answer

A) Wastewater is pumped into a settling tank. 
B) Grease and oil rise to the top in the tank. 
C) Solids are decomposed by bacteria. 
D) Bacteria-treated waste is discharged in an absorption field. 
E) After leaving the absorption field, wastewater is cleaned and can be used again for human consumption. 
A) Wastewater is pumped into a settling tank. 
B) Grease and oil rise to the top in the tank. 
C) Solids are decomposed by bacteria. 
D) Bacteria-treated waste is discharged in an absorption field. 
E) After leaving the absorption field, wastewater is cleaned and can be used again for human consumption.

Question 18

Which of the following is a nonpoint source of water pollution?

Accepted Answer

A) a sewage treatment plant 
B) an electric power plant 
C) an active or inactive coal mine 
D) a logged forest 
E) a factory 
A) a sewage treatment plant 
B) an electric power plant 
C) an active or inactive coal mine 
D) a logged forest 
E) a factory

Question 19

Use the Figure above to answer the following question(s).
-Choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

Accepted Answer

The answer of   
 
Use the Figure above...

Question 20

The end product of living machines is a soil-like material called "humus," which legally must be either buried or removed by a licensed seepage hauler.

Accepted Answer

A) True 
 B)False

Exam 20: Water Pollution

How long does it take for pollutants to be flushed out of the Great Lakes into the ocean?

Use the Figure above to answer the following question(s). -In which zone are organisms that require oxygen most likely going to be absent?

The leading cause of water pollution is ____________________ activities.

The degradation of Lake Washington resulted from the introduction by sewage treatment plants of which of the following?

Eutrophication is a condition in an aquatic ecosystem where high nutrient concentrations stimulate blooms of algae.

Use the Figure above to answer the following question(s). -Choose the letter that represents where large floating objects and solids are removed.

About ____ of U.S.lakes were tested unsafe for fishing, swimming, and other recreational uses.

The 1972 Clean Water Act has accomplished all of the following between 1972 and 2002, except

Parking lots are a major source of point source pollution for rivers and lakes.

Agricultural and sewage runoffs cause harmful algal blooms, with the algal blooms causing all of the following except

Though it would be cheaper and as effective to protect watersheds around water sources rather than building treatment facilities, no major city has made the attempt to do so.

Drinking water for about ____ of the U.S.population and ____ of the rural populations comes from groundwater.

Which of the following is not a preventative method of reducing cultural eutrophication?

One new form of water pollution is caused by the use of human-made materials such as ____________________, which make up millions of products, all of which eventually end up in the environment.

To be considered safe for drinking, a 100 milliliter sample of water should contain ____ colonies of coliform bacteria.

One fish in ____ taken from the Great Lakes is unsafe for human consumption.

In a septic tank system, which of the following is not true?

Which of the following is a nonpoint source of water pollution?

Use the Figure above to answer the following question(s). -Choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

The end product of living machines is a soil-like material called "humus," which legally must be either buried or removed by a licensed seepage hauler.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

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

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Solid and Hazardous Waste

Cities and Sustainability

Economics, Environment, and Sustainability

Politics, Environment, and Sustainability

Environmental Worldviews, Ethics, and Sustainability

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Drinking water for about of the U.S.population and of the rural populations comes from groundwater.