AnswersSC332 Environmental Science BGroundwater

Groundwater Answers

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Over half of the people in the United States rely on groundwater for drinking water.

A
T
B
F
2
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How does groundwater become polluted?

A
Pollutants mixed with water pass through permeable layers above the aquifer.
B
Factories dump their waste directly into aquifers.
C
Refuse infiltrates the water table when garbage is dumped.
D
All of the above
3

The location of the water table is subject to change.

A
T
B
F
4

What happens if the use of groundwater exceeds the rate of replenishment?

A
the depth of the water table increases
B
the water table is more likely to be polluted
C
the depth of the water table decreases
D
the water table remains unchanged
5

Which of the following is a way that groundwater depletion affects streams?

A
lower water level
B
loss of vegetation
C
wildlife disruption
D
all of the above
6

Which of the following can lead to groundwater shortages?

A
pollution
B
use exceeding the rate of replenishment
C
lack of precipitation
D
all of the above
7

Groundwater is only found below the water table.

A
T
B
F
8

The Karez well system _______.

A
was the first known use of wells
B
was a postindustrial system
C
transported groundwater from a distance
D
all of the above
9

Why has groundwater use increased?

A
the total amount of freshwater has decreased
B
more of the available freshwater is stored in glaciers and icecaps
C
governments have banned the use of freshwater in rivers and springs
D
the demand for freshwater has increased due to population growth
10

How is groundwater replenished?

A
precipitation
B
streams
C
rivers
D
all of the above
11

How did the use of groundwater change from preindustrial times to industrial times?

A
Groundwater use decreased from preindustrial times to industrial times.
B
Groundwater use increased from preindustrial times to industrial times.
C
Groundwater use remained virtually the same from preindustrial to industrial times.
D
Groundwater was not used during preindustrial times.
12

What is a possible long-term consequence of groundwater overdraft?

A
increased vegetation
B
unproductive wells
C
polluted groundwater
D
higher water tables
13

Why is groundwater an important source of freshwater storage?

A
It constitutes approximately 30% of Earth’s freshwater.
B
It is the only viable source of freshwater in some areas.
C
It is available in conditions of drought.
D
All of the above
14

How is groundwater replenished?

A
precipitation
B
streams
C
rivers
D
all of the above
15

How does groundwater become polluted?

A
Pollutants mixed with water pass through permeable layers above the aquifer.
B
Factories dump their waste directly into aquifers.
C
Refuse infiltrates the water table when garbage is dumped.
D
All of the above
16

The use of wells to obtain drinking water is a modern convenience.

A
T
B
F

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