The process whereby one portion of the lithosphere beneath another and dives downward into the mantel is called
A) rifting. B) compression. C) isostatic uplift. D) subduction.
D
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The Gulf of Mexico is located at an active margin
a. True b. False
An earthquake epicenter is the:
a. point where the seismograph is located. b. point within Earth where movement along the fault occurs. c. geographic center of a group of related earthquakes. d. point on the surface directly above where a fault rupture occurs. e. the strongest in a series earthquake aftershocks.
Most deaths from the 2010 earthquake in Haiti were due to
A. a large landslide that buried the capital city. B. a large tsunami that swept into the island from the south. C. a large tsunami that swept into the island from the north. D. collapse of buildings. E. All of these choices are correct.
The margins of glaciers are usually darker than the interior primarily because
A. the sides are moving faster than the interior of the glacier. B. shearing causes the ice to expel air and become darker. C. the sides have a higher concentration of rocks and other debris. D. glaciers are transparent so the underlying bedrock is visible. E. All of these choices are correct.