AnswersSC332 Environmental Science BLand Management and Planning

The Water We Use Answers

0 verified answers
1
Free Preview

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
2
Free Preview

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
3

Which of the following best explains the importance of water to humans?

A
Water is essential for sustaining human life.
B
Water is important for shipping and trade.
C
Water is a valuable, profitable commodity.
D
All of the above
4

Which of the following is a consequence of water polluted by human sewage?

A
pathogens
B
disease vectors
C
high levels of contaminants
D
all of the above
5

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
6

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.
7

Which of the following best explains why humans need constant supplies of fresh water?

A
Humans need a constant supply of water to provide them with essential vitamins.
B
Humans need a constant supply of water to maintain proper hygiene.
C
Constant supplies of freshwater are needed because body water is continually being lost.
D
Constant supplies of freshwater are not actually necessary for survival.
8

Ocean water is sometimes referred to as saline water as it contains significant concentrations of dissolved salts. Please select the best answer from the choices provided

A
T
B
F
9

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

A
T
B
F
10

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

Did you find these answers helpful?