AnswersTX-Environmental Systems-BCASUnit Test

Unit Test — Unit test Answers

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Which of the following regulations is the primary law regarding water pollution?

A
The Safe Drinking Water Act
B
The Clean Water Act
C
The Marine Protection, Research, and Sanctuaries Act
D
WaterSense
2
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Which of the following statements about desalination is true?

A
Desalination is less expensive than water reclamation.
B
Desalination uses large amounts of energy.
C
Desalination is the main process used to provide water for crop irrigation.
D
All of the above
3

Which of the following best describes the effects of water pollution on aquatic ecosystems?

A
It can result in fish kills and restrictions on human consumption.
B
It can change the physiology of fish.
C
It can cause long-term alterations of aquatic ecosystems.
D
All of the above
4

Which of the following sources of pollution would be the most difficult to track and regulate?

A
lawn fertilizer runoff
B
a waste treatment plant
C
a factory
D
a nuclear power plant
5

Where is the water table located?

A
10 ft below the surface
B
below the saturated zone
C
at the top of the saturated zone
D
all of the above
6

Which of the following is not an option for solving the world water crisis?

A
desalination
B
finding new sources of freshwater
C
reducing overconsumption
D
wastewater treatment plants
7

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
8

Access to potable water is most heavily limited by _______.

A
money
B
precipitation
C
raw water supplies
D
climate
9

It is best to say that efficient plumbing _______.

A
reduces water pollution by using less water
B
reduces water pollution by using cleaner water
C
increases water pollution by using more water
D
reduces water pollution by using dirty water
10

Freshwater is used principally as drinking water.

A
T
B
F
11

What is the greatest use of groundwater?

A
drinking
B
industry
C
agriculture
D
recreation
12

Potable water delivery systems are characterized by _______.

A
high infrastructure costs
B
aqueducts
C
glass bottles
D
rivers
13

The toxic effects of water pollution are generally _______.

A
immediate and long-lasting
B
immediate and short-lived
C
delayed and long-lasting
D
delayed and short-lived
14

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15

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
16

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.
17

How is groundwater replenished?

A
precipitation
B
streams
C
rivers
D
all of the above
18

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
19

Which of the following is least likely to have difficulties with economic access to potable water?

A
Zimbabwe
B
Australia
C
India
D
None of the above
20

Conserving water can save money while protecting the environment.

A
T
B
F

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