Chesapeake Bay is vulnerable because it is
A. shallow with a low flush rate.
B. deep with a low flush rate.
C. shallow with a high flush rate.
D. deep with a high flush rate.
E. of medium depth with a low flush rate.
Answer: A
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Oil that reaches the surface can form
A. tar sands. B. tar pits. C. an oil seep. D. All of these choices are correct.
A river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel. The government decides to build a dam across the valley for power and flood control
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Turbidite deposits are an example of which of the following sediment types?
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