In hydrothermal areas, superheating of water is possible because of the presence of ________
A) joints
B) bedding planes
C) sodium bicarbonate
D) high pressure
E) lava
Answer: D
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Which of the following describes what wind machines do during a radiation inversion?
A. They lift warm air away from the surface. B. They mix the air at high altitudes C. They mix the air near the ground. D. They bring cool upper air to lower altitudes.
How can contact metamorphism result in the deposition of ore deposits?
A) Magma differentiates during cooling, leaving the ores to settle out to the bottom of the magma chamber. B) Hot, mineral-rich water exits the seafloor, resulting in instant precipitation of minerals. C) Hot magma burns the country rock, which experiences a mineral phase change. D) Hot fluids in contact with the country rock can result in chemical reactions that facilitate the migration of metallic ions.
Groundwater is important in the preservation of ________ which develops when porous buried wood is either filled in or replaced by inorganic silica carried in by ground water.
A. petrified material B. preserved wood C. preserved material D. petrified wood
Which of the following is not a shaper of the oceanic coastlines?
A) Long-term changes in the water level B) Tidal movements C) Waves D) Blooms of algae E) Ice push