Many conservationists support returning top predators such as wolves and panthers to areas where they have been exterminated. Although some reintroductions have been made, the practice is controversial because these animals are
A) considered by some ranchers to be a threat to livestock and humans.
B) being introduced into areas that have never had predators before.
C) predators that feed on many other endangered species.
D) carriers of diseases that may infect other species in the region.
A
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A. Aristotle B. Newton C. Coriolis D. Torricelli
Which of the following surfaces has the lowest albedo?
A) A – fresh snow
B) B – forests
C) C – orchards
D) D – water with a small zenith
The largest layer (by volume) of Earth, ____, is composed primarily of _____.
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a. true b. false