The main cause of the Rapid City flood of 1972 was
A. failure of a dam because of a large landslide into the reservoir.
B. intense rainfall from a thunderstorm that resulted in a flash flood.
C. poor design and poor construction of a large concrete dam.
D. rapid melting of glaciers in the Black Hills because of global warming.
E. All of these choices are correct.
Answer: B
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The inversion of Marjorie's image in a plane mirror is actually an inversion of
A. up and down. B. front and back. C. left and right. D. all of the above
Glacially deposited strata were important in the development of continental drift theory because ____
A)the distribution of glacial deposits indicated that the entire Earth must have been glaciated at one time B)the distribution of coal-swamp deposits indicated that the entire Earth must have been very warm while glaciers formed C)they indicated that large glaciers affect the rate of continental drift D)the glacial deposits indicated that all of the southern continents must have been closer to the South Pole and contiguous E)they showed how glacier formation remained constant even when continents drifted
Why are the dry adiabatic lapse rate and the wet adiabatic lapse rate different?
Evolutionary development comes as a result of ________
A) geographic location B) extinction C) DNA mutations D) unknown processes E) species migration