Question 1

Which if the following irrigation techniques is least wasteful of water?

Accepted Answer

A)  Flood irrigation 
B)  Sprinkler irrigation 
C)  Furrow irrigation 
D)  Drip irrigation 
A)  Flood irrigation 
B)  Sprinkler irrigation 
C)  Furrow irrigation 
D)  Drip irrigation

Question 2

The largest river in the world is the

Accepted Answer

A)  Orinoco 
B)  Amazon 
C)  Mississippi 
D)  Nile 
E)  Congo 
A)  Orinoco 
B)  Amazon 
C)  Mississippi 
D)  Nile 
E)  Congo

Question 3

Evaporation is

Accepted Answer

A)  The way plants absorb water 
B)  Liquid water turning to vapor well below boiling temperature 
C)  Liquid water boiling to produce water vapor 
D)  The way water seeps into the ground 
E)  The process of water becoming a liquid at a lower temperature 
A)  The way plants absorb water 
B)  Liquid water turning to vapor well below boiling temperature 
C)  Liquid water boiling to produce water vapor 
D)  The way water seeps into the ground 
E)  The process of water becoming a liquid at a lower temperature

Question 4

Approximately _______ percent of Earth's water is freshwater.

Accepted Answer

A)  two 
B)  ten 
C)  thirty 
D)  fifty 
A)  two 
B)  ten 
C)  thirty 
D)  fifty

Question 5

Rain shadows

Accepted Answer

A)  are areas of particularly high precipitation. 
B)  are areas known for receiving little precipitation. 
C)  generally do not occur near mountains. 
D)  are areas of particularly high precipitation and generally do not occur near mountains. 
A)  are areas of particularly high precipitation. 
B)  are areas known for receiving little precipitation. 
C)  generally do not occur near mountains. 
D)  are areas of particularly high precipitation and generally do not occur near mountains.

Question 6

According to the United Nations, by 2025 two-thirds of the world's population will be living in drought-stressed conditions.

Accepted Answer

A) True 
 B)False

Question 7

The largest single use of water for industrial purposes is for

Accepted Answer

A)  canning and food processing. 
B)  cooling. 
C)  power production. 
D)  washing produce in food processing industries. 
A)  canning and food processing. 
B)  cooling. 
C)  power production. 
D)  washing produce in food processing industries.

Question 8

A method of increasing water supplies that has been successful, but expensive is

Accepted Answer

A)  Desalination 
B)  Cloud seeding 
C)  Towing icebergs by ship from polar regions 
D)  Altering the climate's convection currents 
E)  None of these is correct. 
A)  Desalination 
B)  Cloud seeding 
C)  Towing icebergs by ship from polar regions 
D)  Altering the climate's convection currents 
E)  None of these is correct.

Question 9

Which of the following is NOT a factor in determining how much or how little precipitation a region receives?

Accepted Answer

A)  Topography 
B)  Global atmospheric circulation patterns 
C)  Vegetation 
D)  Proximity to water 
E)  All of these are important factors 
A)  Topography 
B)  Global atmospheric circulation patterns 
C)  Vegetation 
D)  Proximity to water 
E)  All of these are important factors

Question 10

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 11

Aquifers are porous underground geological formations from which water can be extracted.

Accepted Answer

A) True 
 B)False

Question 12

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 13

The zone of saturation is the portion of groundwater where

Accepted Answer

A)  Water vapor turns to liquid 
B)  An aquifer is the deepest 
C)  All soil or rock pore spaces are filled with water 
D)  All soil or rock pore spaces are filled with air 
E)  The water table ends 
A)  Water vapor turns to liquid 
B)  An aquifer is the deepest 
C)  All soil or rock pore spaces are filled with water 
D)  All soil or rock pore spaces are filled with air 
E)  The water table ends

Question 14

Many experts think that in the future, water conflicts will be a major cause of international conflict. Currently, however, there are no international conflicts over water.

Accepted Answer

A) True 
 B)False

Question 15

The Klamath River agreement

Accepted Answer

A)  is an agreement to remove dams to save migrating salmon populations. 
B)  provides for the increase in value of water rights for fish and aquatic organisms. 
C)  is a less-used strategy to help regulate water diversion for local farmers. 
D)  provides a water diversion project for the city of Los Angeles. 
E)  forces conservation measures on domestic use of water by local residents. 
A)  is an agreement to remove dams to save migrating salmon populations. 
B)  provides for the increase in value of water rights for fish and aquatic organisms. 
C)  is a less-used strategy to help regulate water diversion for local farmers. 
D)  provides a water diversion project for the city of Los Angeles. 
E)  forces conservation measures on domestic use of water by local residents.

Question 16

The amount of water in aquifers in the United States is

Accepted Answer

A)  Nearly as great as the amount of surface water in the United States 
B)  Higher than all the Great Lakes together 
C)  Only a small portion of surface water in the United States 
D)  Over thirty times greater than all surface water in the United States 
E)  About the same amount as all surface water in the United States 
A)  Nearly as great as the amount of surface water in the United States 
B)  Higher than all the Great Lakes together 
C)  Only a small portion of surface water in the United States 
D)  Over thirty times greater than all surface water in the United States 
E)  About the same amount as all surface water in the United States

Question 17

Subsidence and sinkholes

Accepted Answer

A)  Can, with difficulty, be reversed and the ground surface raised again 
B)  Are probably a permanent loss of an aquifer 
C)  Are a consequence of saltwater intrusion 
D)  Leave gaps in the bedrock that then fill up with salt water 
E)  Increase the total area of recharge zones 
A)  Can, with difficulty, be reversed and the ground surface raised again 
B)  Are probably a permanent loss of an aquifer 
C)  Are a consequence of saltwater intrusion 
D)  Leave gaps in the bedrock that then fill up with salt water 
E)  Increase the total area of recharge zones

Question 18

Which of the following factors is the MOST important factor in determining whether a country is "water rich" or "water poor"?

Accepted Answer

A)  Population density 
B)  Country size 
C)  Humid climate 
D)  Rivers running through the country 
E)  Renewable water supplies 
A)  Population density 
B)  Country size 
C)  Humid climate 
D)  Rivers running through the country 
E)  Renewable water supplies

Question 19

Human water withdrawals have been increasing at about ___________ rate as worldwide population growth.

Accepted Answer

A)  the same 
B)  half the 
C)  one-third the 
D)  three times the 
E)  twice the 
A)  the same 
B)  half the 
C)  one-third the 
D)  three times the 
E)  twice the

Question 20

After graduation, you are moving to southern California for a great job. You will need to change your water consumption habits because you have been living in an area with plenty of water and it has not been an issue. (Note: Use your own region if it is applicable.) Describe five things you can do to conserve water.

Accepted Answer

Should include at least some of the foll

Exam 17: Water Use and Management

Which if the following irrigation techniques is least wasteful of water?

The largest river in the world is the

Evaporation is

Approximately _______ percent of Earth's water is freshwater.

Rain shadows

According to the United Nations, by 2025 two-thirds of the world's population will be living in drought-stressed conditions.

The largest single use of water for industrial purposes is for

A method of increasing water supplies that has been successful, but expensive is

Which of the following is NOT a factor in determining how much or how little precipitation a region receives?

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

Aquifers are porous underground geological formations from which water can be extracted.

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

The zone of saturation is the portion of groundwater where

Many experts think that in the future, water conflicts will be a major cause of international conflict. Currently, however, there are no international conflicts over water.

The Klamath River agreement

The amount of water in aquifers in the United States is

Subsidence and sinkholes

Which of the following factors is the MOST important factor in determining whether a country is "water rich" or "water poor"?

Human water withdrawals have been increasing at about ___________ rate as worldwide population growth.

Understanding Our Environment

Principles of Science and Systems

Matter, Energy, and Life

Evolution, Biological Communities, and Species Interactions

Biomes: Global Patterns of Life

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity: Preserving Species

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

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