Environmental Science: A Study of Interrelationships (Enger) 13th Edition

Chapter 15: Water Management

Practice Quiz

1
The vadose zone is an area below the ground that is
A)unsaturated.
B)confined above and below by impervious layers.
C)a source of ground water.
D)All of the above are correct.
2
Domestic water use is less than industrial or agricultural use of water in the U.S.
A)True
B)False
3
Sustainable uses of groundwater include all EXCEPT
A)shifting away from groundwater as the only source of water.
B)reuse of "gray" water.
C)install deeper wells.
D)water conservation education.
4
What percent of industrial use water is used for cooling purposes in the U.S.?
A)90
B)45
C)100
D)25
5
Sewage treatment that provides water purification using physical settling of large particles is best defined as
A)secondary sewage treatment.
B)primary and secondary sewage treatment.
C)tertiary sewage treatment.
D)primary sewage treatment.
6
Nonpoint sources of pollution include
A)air emissions from a factory smoke stack.
B)secondary emissions from feed stock.
C)wastewater discharge from an industry.
D)agricultural runoff from fields.
7
Wetlands are important to water quality because
A)they reduce saltwater intrusion.
B)they cool thermal pollution.
C)they can biodegraded oil.
D)they filter waste and nutrients from waterways.
8
Land use can affect infiltration of water.
A)True
B)False
9
Biochemical oxygen demand is commonly referred to as
A)COD.
B)BOD.
C)BCOD.
D)BCOD.
10
Infiltration rates and surface runoff of water can be influenced by
A)streams and lakes.
B)land use practices.
C)air flow.
D)All of the above are correct.
11
_________ water is the fastest growing drink of choice in many parts of the world.
A)Potable
B)Distilled
C)Bottled
D)Organic
12
In the U.S., both the EPA and the FDA set drinking water standards.
A)True
B)False
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