Which force supplies the energy for percolation?
A) Pressure gradient
B) Capillary force
C) Coriolis force
D) Hydraulic head force
E) Gravity
Answer: E
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Economic cooperation in Western Europe at the end of World War II centered on what commodity (commodities)?
A) telegraph and telephones B) coal and steel C) textiles D) transportation E) computers and information technology
The huge volume of mafic magma that erupted to form the Columbia plateau basalts of Washington and Oregon are attributed to ________.
A. sea floor spreading B. subduction C. a hot mantle plume D. meteorite impact E. magma mixing
True or False: The fact that the seafloor, riverbeds and other depositional surfaces are not perfectly flat violates the Principle of Original Horizontality
Indicate whether this statement is true or false.
The heat that drives thermal convection cells comes primarily from ____________________ and is
supplemented by ____________________. Fill in the blank(s) with the appropriate word(s).