OCE1001 Final UPDATED Actual Exam Questions and CORRECT Answer
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OCE1001
OCE1001 Final UPDATED Actual Exam
Questions and CORRECT Answers
the continental margin of the U.S. Atlantic coast is ________ continental margin, and the
continental margin off the west coast of south america is _________ continental margin -
CORRECT ANSWER- a passive; a convergent-active
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OCE1001 Final UPDATED Actual Exam
Questions and CORRECT Answers
the continental margin of the U.S. Atlantic coast is ________ continental margin, and the
continental margin off the west coast of south america is _________ continental margin -
CORRECT ANSWER✔✔- a passive; a convergent-active
what process is primarily responsible for the formation of the continental rise along the east
coast of the united states? - CORRECT ANSWER✔✔- deposition of sediment by turbidity
currents as deep-sea fans
what describes a continental borderland? - CORRECT ANSWER✔✔- a series of islands,
shallow banks and deep basins
the steep transition zone between the outer edge of the continental shelf and the deep-ocean
basin is called the _________. - CORRECT ANSWER✔✔- continental slope
t/f. pillow lavas (pillow basalts) indicate that molten lava came in contact with water and
cooled very quickly. - CORRECT ANSWER✔✔- true
t/f. the andes mountains, which are a tall mountain range along the west coast of south
america, are associated with an active continental margin. - CORRECT ANSWER✔✔- true
t/f. turbidity currents are highly erosive and thought to be responsible for the creation of
deep-sea trenches. - CORRECT ANSWER✔✔- false
where is the ring of fire located? - CORRECT ANSWER✔✔- around the margins of the
pacific ocean
which of the following statements concerning graded bedding deposits is false? - CORRECT
ANSWER✔✔- they result from successive lava flows
,bathymetry involves the measurement of the __________. - CORRECT ANSWER✔✔- depth
of the ocean floor below sea level
ocean depths are routinely determined by ________. - CORRECT ANSWER✔✔- sending
sound through the water and determining the time required for it to return to the ship
what happens to the ocean water over a seamount on the ocean floor when measured from a
satellite? - CORRECT ANSWER✔✔- the ocean water rises up to form a mound based on the
mass of the seamount
if you could walk out away from shore across the sea floor on a passive continental margin,
what is the order of provinces you would cross? - CORRECT ANSWER✔✔- continental
shelf, slope, and then the rise
a small, rounded, submerged volcanic hill that rises less than 1km above the sea floor is
called _________. - CORRECT ANSWER✔✔- abyssal hill
which is NOT associated with the crest of the mid-ocean ridge? - CORRECT ANSWER✔✔-
trenches
where would you expect to find well-developed continental shelves? - CORRECT
ANSWER✔✔- along passive continental margins
in general, where would the youngest ocean floor be found? - CORRECT ANSWER✔✔- at
the mid-oceanic ridge
what happens when an oceanic and a continental plate converge? - CORRECT
ANSWER✔✔- the oceanic plate will be subducted
what happens when two continental plates converge? - CORRECT ANSWER✔✔- neither
subducts; instead, a mountain range forms
, your job is to locate the world's plate boundaries. to do this you may use only one map. the
best map to choose for this job is a map that shows the worldwide locations of __________. -
CORRECT ANSWER✔✔- earthquakes
which is associated with a subduction zone? - CORRECT ANSWER✔✔- a volcanic arc
how much wider is the atlantic ocean today than when columbus sailed? - CORRECT
ANSWER✔✔- 15 meters
an ocean trench is associated with which types of plate boundary? - CORRECT
ANSWER✔✔- convergent
the san andreas fault is associated with which type of plate boundary? - CORRECT
ANSWER✔✔- transform
what was the main reason scientists objected to alfred wegener's idea of continental drift? -
CORRECT ANSWER✔✔- wegener's proposed mechanism for movement was thought to
violate the laws of physics
as a tool, paleomagnetism is a piece of modern evidence that has helped support plate
tectonics by showing that __________. - CORRECT ANSWER✔✔- magnetic sea floor
"stripes" are symmetric with respect to the mid-ocean ridge
the east pacific rise is associated with which type of plate boundary? - CORRECT
ANSWER✔✔- divergent
how is it that the floor of the ocean is so much younger than the ocean itself? - CORRECT
ANSWER✔✔- the ocean floor keeps regenerating itself
plate boundaries where new oceanic crust is being added are called __________. -
CORRECT ANSWER✔✔- divergent boundaries
the faster the rate of spreading at the mid-ocean ridge or rise, the __________ the underwater
volcanic mountain range - CORRECT ANSWER✔✔- broader (wider)
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