Which of the following controls the rate of groundwater flow?
A. the permeability of the rocks
B. the slope of the water table
C. how fractured the rocks are
D. All of these.
Answer: D
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Which of the following fronts do not separate tropical from polar air masses?
A) cold B) warm C) stationary D) occluded
Which of the following could serve as a definition of a coordinate covalent bond?
A) One electron is contributed by each the metal and the ligand. B) The metal ion contributes both electrons to the bond. C) The ligand contributes both electrons to the bond. D) The metal ion loses two electrons to the ligand.
Stress is ________.
A. change in volume B. change in length to original length C. regional metamorphism D. force per unit of area
Soil creep is unimportant in arid regions since lack of water removes the primary ________
A) lubricant B) binder C) catalyst D) cement E) reason for landslides