Which of the following is most closely associated with the compression of air in coastline rocks?
A) Abrasion
B) Growth of salt crystals
C) Hydraulic pounding
D) Pneumatic action
E) Coral reef formation
Answer: D
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How can different layers of rock be discerned from the aerial photographs?
The question is based on color Maps T-20a and T-20b (in the back of the Lab Manual) and Figure 32-3, a black-and-white stereogram, showing the entrenched meanders of the Green River near Canyonlands National Park, Utah. A larger portion of this region is shown in color Map T-7 in the back of the Lab Manual. What will be an ideal response?
Pumping of wells can cause:
a. lowering of water table b. decline of rock permeability c. cone of depression d. all of the above e. Both a and c
Which of the following factors does NOT decrease the resisting forces of a slope?
a. weathering b. removal of vegetation c. steepening of a slope d. increase in pore water pressure
Water in the surface zone of the ocean is, for the most part, ________
A) the saltiest B) low in oxygen C) the densest D) well mixed E) the coldest