Which of the following features is formed by the collapse of caves?
A) Travertine
B) Stalagmite
C) Stalactite
D) Sinkhole
E) Flowstone
D) Sinkhole
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Liquefaction will generally be most problematic in
A) places with Aridisols that lie along hillslopes. B) places with Inceptisols that get about the same amount of precipitation throughout the year. C) waterlogged, earthquake-prone locations. D) places in which vegetation leaves behind an acidic residue.
How did seafloor spreading revive Alfred Wegener's ideas about continental drift?
A) Sea floor spreading relied on new fossil evidence documenting the former joining of the continents. B) Sea floor spreading provided an explanation for the consumption of oceanic crust at plate boundaries. C) The topography of the ocean floor demonstrated that mountain ranges on either side of the Atlantic Ocean were formerly joined. D) Sea floor spreading prevented a viable mechanism for moving the continents.
The most effective agent of erosion in the deserts is ____________________. Fill in the blank(s) with the appropriate word(s)
Permafrost occurs at depths that range from a few centimeters to a few meters below the ground surface.
Answer the following statement true (T) or false (F)