Question 1

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.

Question 2

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 3

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

Question 4

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

Question 5

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.

Question 6

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

Question 7

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

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Drinking is the biggest use of water worldwide.

Accepted Answer

A) True 
 B)False

Question 10

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

Question 11

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.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Question 14

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

Question 15

-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 16

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

Accepted Answer

A) True 
 B)False

Question 17

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.

Question 18

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.

Question 19

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.

Question 20

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.

Exam 8: Water Resources and Water Pollution

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Groundwater can be contaminated from all but which one?

Correct AnswerverifiedShow Answer

Drinking is the biggest use of water worldwide.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about desalination is false?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Dams

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Solutions for reducing flood damage include

Correct AnswerverifiedShow Answer

Large dams and reservoirs

Correct AnswerverifiedShow Answer

-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?

Correct AnswerverifiedLarge water transfer projects facilitate...View AnswerShow Answer

Which of the following statements is false?

Correct AnswerverifiedShow Answer

Ecological services of rivers include all but which one?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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Large water transfer projects facilitate...
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