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The elevation limit of a stream downcutting on a land mass is called ________.


A) a drainage anomaly
B) meandering
C) ground zero
D) talus
E) base level

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E

A typical drainage pattern on conic volcanic mountains would be ________.


A) dendritic
B) trellis
C) radial
D) centripetal
E) antecedent

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The terms "drainage basin" and "watershed" are synonymous.

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The geographer William M. Davis was the principal researcher who developed what we now know to be equilibrium theory.

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Erosion is increased with increases in a stream's turbulent flow.

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Generally, a relatively small amount of material is transported by saltation as compared to other means of stream transport.

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True

A ________ pattern of drainage usually develops on alternating bands of hard and soft strata.


A) trellis
B) radial
C) annular
D) centripetal
E) dendritic

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In the "peneplain" stage of the geomorphic cycle, there are no hills on the landscape.

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The world's largest streams are intermittent.

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The natural levees on floodplains along large rivers merge outwardly and almost imperceptibly with the less well drained and lower portions of the floodplain, generally referred to as the ________.

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Aggradation occurs on geologically uplifted parts of Earth's crust.

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The detachment and removal of fragmented rock material is known as ________.


A) diastrophism
B) erosion
C) leaching
D) regolith stripping
E) sedimentation

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Marking the outer edge of floodplains are landforms called ________.


A) levees
B) meanders
C) bluffs
D) oxbow lakes
E) mesas

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C

Which of the following would be most likely to develop a radial drainage pattern?


A) a cone-shaped volcano
B) folded, ridge-and-valley topography
C) mountain ridges caused by faulting
D) flat-lying, sedimentary rocks
E) none of the above

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If a stream's velocity is doubled, its competence ________.


A) remains the same
B) drops by half
C) increases by half
D) doubles
E) increases sixteen times

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A prime example of the application of equilibrium theory can be seen in any hilly area where ________.


A) tectonic plate boundaries are close by
B) peneplains exist
C) floodplains dominate the valley bottoms
D) terraces are found on hillsides
E) tectonic uplift and fluvial erosion are simultaneous

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Friction has little impact on the energy of water moving down a channel.

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A ________ is an erosional remnant on a peneplain surface.

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The amount of friction per cubic area in streamflow is maximized in wide, deep, smooth-bottomed rivers.

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The direct collision of a raindrop with the ground, laterally shifting fine particles a few millimeters, is ________.


A) rill formation
B) valley cutting
C) plucking
D) splash erosion
E) peds pushing

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