Which has the greatest world reserves (supply for the future)?
A. zinc
B. lead
C. copper
D. aluminum
Answer: D
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The Transcontinental Arch and portions of the Canadian shield were above sea level during the Sauk transgression
a. True b. False
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:
a. conduction. b. convection. c. latent heat. d. radiation.
The world leader in land area devoted to organic farming is
A) Australia. B) the United States. C) Canada. D) France. E) Japan.
What best characterizes downstream flooding?
A. small volume flood that slowly rises and falls B. large volume flood that slowly rises and falls C. floodwaters that rapidly rises and falls D. fast moving floodwaters that follow small tributaries E. slow moving floodwaters that follow small tributaries