Oceanic trenches
A. are narrow, deep troughs
B. are often 8 to 10 kilometers deep
C. run parallel to the edge of a continent or an island arc
D. All of these choices are correct.
Answer: D
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A) 40 J. B) 80 J. C) 160 J. D) unknown unless we know the mass of the cart.
Radiometric dating has allowed scientists to assign absolute ages to the relative geologic time scale
a. True b. False
The purpose of mitigation banking is to ____.
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Whales evolved from a land-dwelling ancestor similar to which of the following?
A) Bear B) Elephant C) Hippopotamus D) Mastodon E) Yak