The disposal layer at the Waste Isolation Pilot Plant (WIPP) site is
A. tuff.
B. bedded salt.
C. granite.
D. basalt.
Answer: B
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The relationships among elk predators represent
A) the impacts of overgrazing. B) a set of keystone species. C) interspecific competition. D) biotic potential.
Which of the following statements is false concerning the 1872 Mining Law?
A. There were no provisions for reclamation or restoration of the mined land. B. Mining companies were not required to inform the federal government of the locations of the deposits they were mining. C. Mining companies were required to pay royalties on the materials mined to the federal government to help pay for the enforcement of the legislation. D. The style of mining was not regulated by the federal government.
ABCWhich of the above illustrations shows a neutral aqueous solution?
A. A B. B C. C D. All of the above are neutral solutions. E. none of the above
Which statement regarding mammals is false?
A) Some mammals lay eggs. B) All mammals have nipples. C) All mammals feed their young milk. D) Marsupial mammals are born at an earlier developmental stage than placental mammals.