The Water We Use Answers

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Explain why water is critically important to most facets of human life.

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2
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Which of the following would be expected to have plentiful access to potable water?

A
Africa
B
China
C
Europe
D
South America
3

Explain why the amount of water a person needs to survive can be highly variable.

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4

Identify what constitutes the defining characteristic of potable water.

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5

Describe the most significant restriction on access to potable water around the world.

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6

Explain the relationship between overpopulation and diminishing water supplies.

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7

Which of the following activities depend upon the availability of supplies of freshwater?

A
agriculture
B
bathing
C
drinking
D
all of the above
8

Which of the following is not a risk factor for water intoxication?

A
a low body mass
B
heat stress
C
resting
D
overexertion
9

The most common source of water contamination is _______.

A
sewage
B
pesticides
C
fertilizers
D
none of the above
10

Which of the following is true about Earth's supplies of freshwater?

A
Most liquid freshwater is stored in rivers and lakes.
B
Groundwater is a significant reservoir of liquid freshwater.
C
Liquid freshwater is about half of all the water on Earth.
D
None of the above.

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