The Water We Use Answers

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The defining characteristic of potable water is that it _______.

A
is used as tap water
B
can be used for washing and irrigation
C
can be used and consumed without risk
D
is delivered through pipes
3

Water intoxication occurs when _______.

A
the body’s electrolytes are out of balance
B
a person has a high body mass
C
in people engaged in low-impact activities
D
all of the above
6

Which of the following most significantly determines a community's access to potable water?

A
access to clean raw water sources
B
the availability of money
C
local drought conditions
D
the level of industrial development
8

Which of the following human activities do not require water?

A
agriculture
B
household chores
C
industry
D
none of the above
10

Lakes and rivers constitute _______.

A
87% of freshwater
B
a tiny fraction of Earth’s freshwater
C
a majority of Earth’s freshwater
D
a majority of water on earth
12

Drinking non-potable water does not carry significant health risks.

A
T
B
F
13

The defining characteristic of potable water is that it _______.

A
is used as tap water
B
can be used for washing and irrigation
C
can be used and consumed without risk
D
is delivered through pipes
14

The amount of water a body requires for survival is dependent upon the climate and the individual’s level of physical activity.

A
T
B
F
15

In developed nations, the water delivered to homes by pipe is generally potable.

A
T
B
F
16

Which of the following best describes the availability of freshwater on Earth?

A
Less than 1% of Earth’s water is liquid freshwater.
B
More than two thirds of Earth’s freshwater is stored in glaciers and icecaps.
C
99% of liquid freshwater on Earth is stored as groundwater.
D
All of the above.
17

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
18

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
19

The principle reason that most of North America and Europe do not have difficulties with access to potable water is their wealth.

A
T
B
F
20

Most people in cities get their water _______.

A
by supplying it themselves
B
by delivery through pipes
C
through private suppliers
D
all of the above

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