Earth Science: Geology, the Environment, and the Universe, New York

Section 4: Water Resources

Water Resources

1.
How can freshwater runoff be controlled?
A)dams
B)aquifers
C)glacial lakes
D)wells
2.
__________ has unique properties that allow life to exist on Earth.
A)Nitrogen
B)Water
C)Methane
D)Carbon dioxide
3.
What number of the world's countries experience chronic water shortages?
A)25
B)5
C)125
D)100
4.
According to the figure, why might it be harmful to a small seawater environment to receive too much rain?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0328664233/184123/193_phsc_ls_250c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)rainwater is just pure water
B)rainwater is the same pH as seawter
C)rainwater is too acidic
D)rainwater is too basic
5.
According to the graph, which year saw the highest usage of water for irrigation?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0328664233/184123/197_wateruse_ls_251c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (29.0K)</a>
A)1950
B)1990
C)1980
D)1960
6.
What is water used most for, according to the graph?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0328664233/184123/197_wateruse_ls_251c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (29.0K)</a>
A)irrigation
B)public supply
C)electricity
D)industry
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.