Glaciers represent ____% of the total freshwater on the surface of the Earth
a. 97.1
b. 2.24
c. 0.306
d. 0.009
b
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The view that species change little during most of their existence and then evolve rapidly into
new species is called punctuated equilibrium. Indicate whether the statement is true or false.
Which hurricane holds the western hemisphere records for lowest barometric pressure?
A) Hurricane Camille B) Hurricane Hugo C) Hurricane Agnes D) Hurricane Wilma
The Public Land Survey System (PLSS) is not employed in states where
A. settlement by the French resulted in different survey systems that pre-dated the PLSS. B. mountains and other rugged terrain made it too difficult to survey the land. C. large rivers or lakes interrupt the rectangular pattern of townships. D. there is little publicly-owned land.
After the last ice age about 10,000 years ago, the earth's climate warmed and humans ____.
A. settled North America B. went from being hunter-gatherers to farmers C. left Africa D. began to walk upright E. invented gunpowder