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1.
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(2 points) Is the following statement true or
false? Seamounts are underwater volcanos, islands are volcanos which rise up above the surface
of the ocean, and tablemounts/guyots were once islands which have become extinct and have had wind,
rain, and waves plane their tops flat.
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2.
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(2 points) Old lithosphere is destroyed in
association with:
a. | deep-sea trenches | b. | fracture zones | c. | hydrothermal
vents | d. | mid-ocean ridges | e. | spreading
centers. |
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3.
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(2 points) New lithosphere is produced in
association with:
a. | deep-sea trenches. | b. | fracture zones. | c. | hydrothermal
vents. | d. | mid-ocean ridges. | e. | transform
faults. |
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4.
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(2 points) The direction of motion along a seafloor
transform fault is:
a. | associated with turbidity currents. | b. | in the same direction as the plates are
spreading. | c. | in the same direction as the ridge offset. | d. | influenced by
underwater boundary currents. | e. | perpendicular to the direction of plate
movement. |
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5.
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(2 points) Tablemounts are the features labeled:
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The image below shows a perspective view of a mature ocean basin. Match the
letters with the correct marine provinces or features listed below. The letters A through E
appear on an image associated with this question.
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6.
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(2 points) continental crust
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7.
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(2 points) oceanic crust
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8.
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(2 points) ocean basin
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9.
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(2 points) rift / spreading center
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10.
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(2 points) continental margin
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