Question 1

Explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

Accepted Answer

If there are high quantities of organic

Question 2

Most aquifers are rapidly recharged through precipitation that percolates downward through soil and rock, making them a renewable resource.

Accepted Answer

A) True 
 B)False

Question 3

What is an effective way that individuals can avoid producing water pollution?

Accepted Answer

A)  People should not flush medications down toilets. 
B)  People should use gray water for cooking. 
C)  People should water their lawns in the summer. 
D)  People should use gray water for drinking. 
E)  People should use standard-flow toilets, not composting toilets. 
A)  People should not flush medications down toilets. 
B)  People should use gray water for cooking. 
C)  People should water their lawns in the summer. 
D)  People should use gray water for drinking. 
E)  People should use standard-flow toilets, not composting toilets.

Question 4

Tap water in Palm Springs, California, most likely comes from a river that originated in northwestern Colorado.

Accepted Answer

A) True 
 B)False

Question 5

In the United States, freshwater scarcity stress is ____.

Accepted Answer

A)  highest in the northern states 
B)  highest in the southeastern and southwestern states 
C)  highest in the Pacific northwest 
D)  highest in the northeastern and western states 
E)  highest in the southwestern, far western, and north central states 
A)  highest in the northern states 
B)  highest in the southeastern and southwestern states 
C)  highest in the Pacific northwest 
D)  highest in the northeastern and western states 
E)  highest in the southwestern, far western, and north central states

Question 6

What can take decades to thousands of years to cleanse itself of slowly degradable wastes?

Accepted Answer

A)  Lakes 
B)  Soil 
C)  Groundwater 
D)  Oil contaminated surface waters 
E)  Urban waterways 
A)  Lakes 
B)  Soil 
C)  Groundwater 
D)  Oil contaminated surface waters 
E)  Urban waterways

Question 7

What is gray water?

Accepted Answer

A)  Water that is only slightly polluted 
B)  Water that is heavily polluted 
C)  Water that has been lost through leakage 
D)  Water that has been previously used for washing and bathing and that can be reused 
E)  Water that is stored in an aquifer 
A)  Water that is only slightly polluted 
B)  Water that is heavily polluted 
C)  Water that has been lost through leakage 
D)  Water that has been previously used for washing and bathing and that can be reused 
E)  Water that is stored in an aquifer

Question 8

Explain the major problems with using freshwater from the Colorado River.

Accepted Answer

The Colorado River is an important sourc

Question 9

Human activities can greatly accelerate the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds in a process called _________________________.

Accepted Answer

cultural e

Question 10

Runoff of eroded soil and chemicals such as fertilizers and pesticides from cropland, feedlots, logged forests, urban streets, parking lots, lawns, and golf courses are examples of __________ sources.

Accepted Answer

The answer of Runoff of eroded soil and chemicals such...

Question 11

Reducing government ____________________ to farmers may help to reduce water use by lowering the incentive to grow crops in dry areas.

Accepted Answer

subsidies,

Question 12

Preventing contamination is the least expensive and most effective way to protect groundwater resources.

Accepted Answer

A) True 
 B)False

Question 13

What is formed when extreme sudden subsidence occurs within a depleted aquifer?

Accepted Answer

A)  Sinkholes 
B)  Freshwater scarcity stress 
C)  Virtual water 
D)  Lowered water table 
E)  An impermeable layer that prevents recharge 
A)  Sinkholes 
B)  Freshwater scarcity stress 
C)  Virtual water 
D)  Lowered water table 
E)  An impermeable layer that prevents recharge

Question 14

____ can be added to water in bottles to speed up disinfection to make the water safe to drink.

Accepted Answer

A)  Black coloring 
B)  The LifeStraw™ 
C)  Rain water 
D)  Lime juice 
E)  Probiotics 
A)  Black coloring 
B)  The LifeStraw™ 
C)  Rain water 
D)  Lime juice 
E)  Probiotics

Question 15

In addition to natural drought cycles, what could cause as much as 45% of Earth's land surface to experience extreme droughts?

Accepted Answer

A)  Lack of rainfall 
B)  Insufficient water for some urban areas 
C)  Climate change 
D)  Pollution of rivers, lakes, and groundwater 
E)  Freshwater scarcity stress 
A)  Lack of rainfall 
B)  Insufficient water for some urban areas 
C)  Climate change 
D)  Pollution of rivers, lakes, and groundwater 
E)  Freshwater scarcity stress

Question 16

Agricultural activities are the leading cause of water pollution.

Accepted Answer

A) True 
 B)False

Question 17

What decreases photosynthesis in bodies of water?

Accepted Answer

A)  Disease-causing organisms 
B)  Inorganic plant nutrients 
C)  Eroded sediment such as soil or silt 
D)  Heat 
E)  Organic chemicals 
A)  Disease-causing organisms 
B)  Inorganic plant nutrients 
C)  Eroded sediment such as soil or silt 
D)  Heat 
E)  Organic chemicals

Question 18

In the United States, ____________________ supply nearly all of the drinking water in rural areas.

Accepted Answer

The answer of In the United States, ____________________ supply nearly...

Question 19

When salt is carried from one region, such as a drying body of water, and lands on glaciers, it can raise the temperature at which ice melts and loss of the glaciers.

Accepted Answer

A) True 
 B)False

Question 20

We are using freshwater unsustainably through waste and pollution, and do not charge enough for its use.

Accepted Answer

A) True 
 B)False

Explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

Most aquifers are rapidly recharged through precipitation that percolates downward through soil and rock, making them a renewable resource.

What is an effective way that individuals can avoid producing water pollution?

Tap water in Palm Springs, California, most likely comes from a river that originated in northwestern Colorado.

In the United States, freshwater scarcity stress is ____.

What can take decades to thousands of years to cleanse itself of slowly degradable wastes?

What is gray water?

Explain the major problems with using freshwater from the Colorado River.

Human activities can greatly accelerate the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds in a process called _________________________.

Runoff of eroded soil and chemicals such as fertilizers and pesticides from cropland, feedlots, logged forests, urban streets, parking lots, lawns, and golf courses are examples of __________ sources.

Reducing government ____________________ to farmers may help to reduce water use by lowering the incentive to grow crops in dry areas.

Preventing contamination is the least expensive and most effective way to protect groundwater resources.

What is formed when extreme sudden subsidence occurs within a depleted aquifer?

____ can be added to water in bottles to speed up disinfection to make the water safe to drink.

In addition to natural drought cycles, what could cause as much as 45% of Earth's land surface to experience extreme droughts?

Agricultural activities are the leading cause of water pollution.

What decreases photosynthesis in bodies of water?

In the United States, ____________________ supply nearly all of the drinking water in rural areas.

When salt is carried from one region, such as a drying body of water, and lands on glaciers, it can raise the temperature at which ice melts and loss of the glaciers.

We are using freshwater unsustainably through waste and pollution, and do not charge enough for its use.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Species

Sustaining Biodiversity: Saving Ecosystems

Food Production and the Environment

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters

Exam 11: Water Resources and Water Pollution

Explain what causes an oxygen sag curve and how this can impact natural populations in that ecosystem.

Most aquifers are rapidly recharged through precipitation that percolates downward through soil and rock, making them a renewable resource.

What is an effective way that individuals can avoid producing water pollution?

Tap water in Palm Springs, California, most likely comes from a river that originated in northwestern Colorado.

In the United States, freshwater scarcity stress is ____.

What can take decades to thousands of years to cleanse itself of slowly degradable wastes?

What is gray water?

Explain the major problems with using freshwater from the Colorado River.

Human activities can greatly accelerate the rate at which nutrients and organic substances enter aquatic ecosystems from their surrounding watersheds in a process called _________________________.

Runoff of eroded soil and chemicals such as fertilizers and pesticides from cropland, feedlots, logged forests, urban streets, parking lots, lawns, and golf courses are examples of __________ sources.

Reducing government ____________________ to farmers may help to reduce water use by lowering the incentive to grow crops in dry areas.

Preventing contamination is the least expensive and most effective way to protect groundwater resources.

What is formed when extreme sudden subsidence occurs within a depleted aquifer?

____ can be added to water in bottles to speed up disinfection to make the water safe to drink.

In addition to natural drought cycles, what could cause as much as 45% of Earth's land surface to experience extreme droughts?

Agricultural activities are the leading cause of water pollution.

What decreases photosynthesis in bodies of water?

In the United States, ____________________ supply nearly all of the drinking water in rural areas.

When salt is carried from one region, such as a drying body of water, and lands on glaciers, it can raise the temperature at which ice melts and loss of the glaciers.

We are using freshwater unsustainably through waste and pollution, and do not charge enough for its use.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Species

Sustaining Biodiversity: Saving Ecosystems

Food Production and the Environment

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters