Downcutting (also known as rejuvenation) of a stream may be due to ________
A) thermal expansion B) a decreased gradient
C) rising of sea level D) uplift of land
D
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The deep-sea floor, between 4000 and 6000 m depth, covers more of Earth's surface than the continents.
Answer the following statement true (T) or false (F)
The primary method of erosion in arid regions is ____
A)wind B)water C)frost wedging D)ventification E)sedimentation
________ is the area necessary to maintain all different patch types and populations of their associated species, given the typical patterns of disturbance
A) Minimum dynamic area B) Primary growth C) Establishment stage D) Old-growth area E) Secondary growth
One difference between any two different map projections must always be ________
A) scale B) how the geographic grid is arranged C) the number of degrees from the equator to the North Pole D) how accurately shapes are portrayed E) how accurately relative sizes are portrayed