Exam 10: Weathering, Karst Landscapes, and Mass Movement

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In the Andes Mountains of South America, entire towns of thousands of people have been buried suddenly when snow fell from high on a mountain side, melted on impact, and then mixed with loose materials that traveled downhill as a viscous fluid. This type of catastrophic event is known as a

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The glaciated shield regions of Canada and northern Europe have disrupted surface drainage patterns that are called ________ patterns.

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The construction of a dam across a river is likely to cause ________ upstream and ________ downstream.

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In which of the following climates would the subsurface line of contact between weathered and unweathered materials be at the greatest depth?

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The primary cause of terrace formation is

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The dynamic equilibrium model refers to

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Which of the following is not a feature of a rejuvenated landscape?

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One side of a sand dune is typically steeper than the other side. The slope of the steepest is controlled by the angle of repose for sand-which has a value that is typical for most materials. This angle is about ________.

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The yellow-red stains that occur on some rock surfaces are the result of ________, which is a form of ________ weathering.

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Movement at the geomorphic threshold signals

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Deforestation in the headwater regions of a river can cause the river to flood more frequently in downstream areas.

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Aggradation of a stream channel produces scouring and alluvial terraces.

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The rate at which rocks weather depends upon

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On which part of a slope would rocks tend to fall at the highest speeds?

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Karst topography is formed primarily by

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An example of chemical weathering is

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The large sheets of rock that break off batholiths, such as Half Dome in Yosemite National Park, develop as a result of

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The model of landscape evolution developed by William Morris Davis is still widely regarded as the most accurate model of landscape evolution yet developed.

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Stream transport involves all of the following  except ‾\underline {\text { except } }

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Cave formations develop from the precipitation of

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