Section #: 25.4
Water Resources
Practice Test
1.
How can freshwater runoff be controlled?
a.
aquifers
b.
glacial lakes
c.
dams
d.
wells
Hint
2.
__________ has unique properties that allow life to exist on Earth.
a.
Nitrogen
b.
Methane
c.
Water
d.
Carbon dioxide
Hint
3.
According to the graph, which year saw the highest usage of water for irrigation?
a.
1960
b.
1980
c.
1950
d.
1990
Hint
4.
According to the figure, why might it be harmful to a small seawater environment to receive too much rain?
a.
rainwater is just pure water
b.
rainwater is too basic
c.
rainwater is the same pH as seawter
d.
rainwater is too acidic
Hint
5.
What is water used most for, according to the graph?
a.
public supply
b.
electricity
c.
irrigation
d.
industry
Hint
6.
What number of the world's countries experience chronic water shortages?
a.
5
b.
100
c.
25
d.
125
Hint
