A winding hill of sorted sand and gravel deposits is known as a(n) __________ and is deposited by a(n) __________ glacier.
A) drumlin; continental
B) drumlin; alpine
C) esker; alpine
D) esker; continental
E) medial moraine; alpine
Answer: C) esker; alpine
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A rock that is 20 million years old comes from the ________ Period
A) Miocene B) Paleogene C) Tertiary D) Paleocene
The rise of "Silicon Valley" is best explained by tax benefits given to the industry by the State of California
Indicate whether the statement is true or false
Which of the following best matches the description?Use of a stream's water flow for such purposes as hydroelectric power.
A. in-stream uses B. nonpoint source C. groundwater mining D. water diversion E. aquifer F. landfills G. artesian aquifer H. water table I. unconfined aquifer J. septic tank K. aquitard L. point source M. confined aquifer N. aquiclude O. surface impoundment
Benthos can be all of the following except ________.
A. sessile B. autotrophic C. motile D. heterotrophic E. holoplanktonic