Question 1

We expect the highest relative humidity on a soccer field during the summer on a

Accepted Answer

A) hot afternoon during a drought. 
B) cool evening during a drought. 
C) hot afternoon following a heavy rain. 
D) cool evening after a heavy rain. 
A) hot afternoon during a drought. 
B) cool evening during a drought. 
C) hot afternoon following a heavy rain. 
D) cool evening after a heavy rain. D

Question 2

When freshwater inflows into estuaries are reduced,

Accepted Answer

A) salt water intrudes into the system. 
B) exotic species of plants and invertebrates may invade the estuary. 
C) populations of native species decline. 
D) All of the above. 
A) salt water intrudes into the system. 
B) exotic species of plants and invertebrates may invade the estuary. 
C) populations of native species decline. 
D) All of the above. D

Question 3

China's current need to increase its water supply is rooted in

Accepted Answer

A) the need to grow more crops to support its growing population. 
B) providing drinking water for southern urban areas. 
C) developing mining industries in the arid northwest. 
D) using water as a trading item to get preferential treatment for its exports. 
A) the need to grow more crops to support its growing population. 
B) providing drinking water for southern urban areas. 
C) developing mining industries in the arid northwest. 
D) using water as a trading item to get preferential treatment for its exports. A

Question 4

Which one of the following is likely to result from damming a river?

Accepted Answer

A) access to buried resources in flooded land is greatly increased 
B) wetland habitats are expanded 
C) the frequency and severity of floods decreases 
D) water cools and contains more oxygen 
A) access to buried resources in flooded land is greatly increased 
B) wetland habitats are expanded 
C) the frequency and severity of floods decreases 
D) water cools and contains more oxygen

Question 5

Some city water treatment facilities combine storm water and sanitary sewage systems.During heavy storms,these treatment facilities may be overwhelmed with water,and untreated storm water mixes with sewage and flows directly back into the streams and rivers where treated water usually returns.What might be the best way to address this problem?

Accepted Answer

A) do not collect rainwater in storm sewers and let it just accumulate on the roads 
B) collect and treat storm sewer and sanitary sewage systems separately 
C) drain the sewage system onto a field near the stream or river 
D) use the excess sewer water as a source of water for the city 
A) do not collect rainwater in storm sewers and let it just accumulate on the roads 
B) collect and treat storm sewer and sanitary sewage systems separately 
C) drain the sewage system onto a field near the stream or river 
D) use the excess sewer water as a source of water for the city

Question 6

How has converting forests to mostly paved urban areas changed the streams and rivers in the affected watersheds?

Accepted Answer

A) Flooding has decreased. 
B) Infiltration shifts to runoff. 
C) Evaporation has increased. 
D) Levels of water flow and pollution have decreased. 
A) Flooding has decreased. 
B) Infiltration shifts to runoff. 
C) Evaporation has increased. 
D) Levels of water flow and pollution have decreased.

Question 7

Saltwater intrusion occurs

Accepted Answer

A) in coastal regions where the water table remains high. 
B) in coastal regions where the water table is falling. 
C) when surface water seeps into groundwater. 
D) when flooding occurs in large areas of surface water. 
A) in coastal regions where the water table remains high. 
B) in coastal regions where the water table is falling. 
C) when surface water seeps into groundwater. 
D) when flooding occurs in large areas of surface water.

Question 8

Rainwater flows quickly over a grassland,filling lazy streams and soaking deeply into the ground.Days later,vegetation near seeps grows quickly and the grassland seems to come to life.This scene best represents which of the following two loops?

Accepted Answer

A) precipitation loop and evapotranspiration loop 
B) surface runoff loop and groundwater loop 
C) precipitation loop and groundwater loop 
D) surface runoff loop and evapotranspiration loop 
A) precipitation loop and evapotranspiration loop 
B) surface runoff loop and groundwater loop 
C) precipitation loop and groundwater loop 
D) surface runoff loop and evapotranspiration loop

Question 9

In Costa Rica,a heavy downpour provides water that quickly evaporates or is absorbed and released by the dense vegetation of the tropical rain forest.This is an example of a cycle using

Accepted Answer

A) condensation,evaporation,transpiration,and green water. 
B) condensation,precipitation,and gravitational water. 
C) evaporation,gravitational flow,and adiabatic cooling. 
D) precipitation,gravitational flow,and convection. 
A) condensation,evaporation,transpiration,and green water. 
B) condensation,precipitation,and gravitational water. 
C) evaporation,gravitational flow,and adiabatic cooling. 
D) precipitation,gravitational flow,and convection.

Question 10

Regions where humans produce high levels of aerosols and dust will most likely experience

Accepted Answer

A) less rainfall,reduced solar radiation to the Earth's surface,and cooler temperatures. 
B) less rainfall,increased solar radiation to the Earth's surface,and higher temperatures. 
C) more rainfall,increased soil nutrients,and reduced solar radiation to the Earth's surface. 
D) more rainfall,decreased soil nutrients,and increased solar radiation to the Earth's surface. 
A) less rainfall,reduced solar radiation to the Earth's surface,and cooler temperatures. 
B) less rainfall,increased solar radiation to the Earth's surface,and higher temperatures. 
C) more rainfall,increased soil nutrients,and reduced solar radiation to the Earth's surface. 
D) more rainfall,decreased soil nutrients,and increased solar radiation to the Earth's surface.

Question 11

As world populations increase

Accepted Answer

A) the greatest increases in water demands will occur in the developing world. 
B) water demands will remain unchanged in the developing world. 
C) irrigation demands for water will stabilize at current levels. 
D) there will have to be a major increase in bottled water use. 
A) the greatest increases in water demands will occur in the developing world. 
B) water demands will remain unchanged in the developing world. 
C) irrigation demands for water will stabilize at current levels. 
D) there will have to be a major increase in bottled water use.

Question 12

The thermohaline currents of the oceans

Accepted Answer

A) are major contributors to global climate change. 
B) carry nutrients upward and also transport heat that warms Europe and North America. 
C) are growing stronger and warmer. 
D) are warmest in the deepest parts of the ocean. 
A) are major contributors to global climate change. 
B) carry nutrients upward and also transport heat that warms Europe and North America. 
C) are growing stronger and warmer. 
D) are warmest in the deepest parts of the ocean.

Question 13

Which of the following contributes the most as a greenhouse gas?

Accepted Answer

A) oxygen levels in the air 
B) water vapor levels in the air 
C) nitrogen levels in the air 
D) the amount of pollutants in ocean water 
A) oxygen levels in the air 
B) water vapor levels in the air 
C) nitrogen levels in the air 
D) the amount of pollutants in ocean water

Question 14

About 99% of all liquid fresh water on Earth is found in

Accepted Answer

A) lakes,including the Great Lakes of North America. 
B) rivers such as the Amazon,Nile,and Mississippi watersheds. 
C) underground aquifers. 
D) the upper few meters of topsoil. 
A) lakes,including the Great Lakes of North America. 
B) rivers such as the Amazon,Nile,and Mississippi watersheds. 
C) underground aquifers. 
D) the upper few meters of topsoil.

Question 15

Wetlands store and release water most like which component of the water cycle?

Accepted Answer

A) clouds forming in the sky 
B) groundwater reservoirs 
C) evapotranspiration from dense vegetation 
D) glaciers and polar ice caps 
A) clouds forming in the sky 
B) groundwater reservoirs 
C) evapotranspiration from dense vegetation 
D) glaciers and polar ice caps

Question 16

The single greatest threat to irrigated agriculture is

Accepted Answer

A) groundwater depletion. 
B) global warming. 
C) flooding. 
D) None of the above. 
A) groundwater depletion. 
B) global warming. 
C) flooding. 
D) None of the above.

Question 17

Fog is more likely to form when air temperatures are

Accepted Answer

A) colder than the surrounding land. 
B) warmer than the surrounding land. 
C) the same as the surrounding land. 
D) rising. 
A) colder than the surrounding land. 
B) warmer than the surrounding land. 
C) the same as the surrounding land. 
D) rising.

Question 18

Which of the following is true of the Blue Revolution?

Accepted Answer

A) less dependence on capturing runoff water 
B) restricting access to aquifers 
C) moving away from desalination toward increased use of bottled water 
D) making harder efforts to conserve,especially in food production 
A) less dependence on capturing runoff water 
B) restricting access to aquifers 
C) moving away from desalination toward increased use of bottled water 
D) making harder efforts to conserve,especially in food production

Question 19

The greatest threats to ground water supplies are

Accepted Answer

A) groundwater pollution and depletion. 
B) global warming and the construction of dams. 
C) increased evaporation and increased precipitation. 
D) evapotranspiration and runoff. 
A) groundwater pollution and depletion. 
B) global warming and the construction of dams. 
C) increased evaporation and increased precipitation. 
D) evapotranspiration and runoff.

Question 20

All of the following are typically used in developing countries to address water shortages,except

Accepted Answer

A) tilling the soil thoroughly and frequently before planting crops. 
B) importing food products from regions that have excess fresh water. 
C) controlling soil erosion. 
D) building small check dams to recharge aquifers. 
A) tilling the soil thoroughly and frequently before planting crops. 
B) importing food products from regions that have excess fresh water. 
C) controlling soil erosion. 
D) building small check dams to recharge aquifers.

Exam 10: Water: Hydrologic Cycle and Human Use

We expect the highest relative humidity on a soccer field during the summer on a

When freshwater inflows into estuaries are reduced,

China's current need to increase its water supply is rooted in

Which one of the following is likely to result from damming a river?

How has converting forests to mostly paved urban areas changed the streams and rivers in the affected watersheds?

Saltwater intrusion occurs

Rainwater flows quickly over a grassland,filling lazy streams and soaking deeply into the ground.Days later,vegetation near seeps grows quickly and the grassland seems to come to life.This scene best represents which of the following two loops?

In Costa Rica,a heavy downpour provides water that quickly evaporates or is absorbed and released by the dense vegetation of the tropical rain forest.This is an example of a cycle using

Regions where humans produce high levels of aerosols and dust will most likely experience

As world populations increase

The thermohaline currents of the oceans

Which of the following contributes the most as a greenhouse gas?

About 99% of all liquid fresh water on Earth is found in

Wetlands store and release water most like which component of the water cycle?

The single greatest threat to irrigated agriculture is

Fog is more likely to form when air temperatures are

Which of the following is true of the Blue Revolution?

The greatest threats to ground water supplies are

All of the following are typically used in developing countries to address water shortages,except

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