Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 4 Bathymetry Post Reading Quiz

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Question #1
What marks the true division between continents and oceans?
A.   Coastlines
B.   Granite-basalt transitions
C.   Coastal deep-sea trenches
D.   Abyssal plains
Question #2
What characteristic of continental crust accounts for more than half of Earth's solid surface being below sea level?
A.   Continental crust is thinner than oceanic crust.
B.   Continental crust is denser than oceanic crust.
C.   Continental crust is both less dense and thinner than oceanic crust.
D.   Continental crust is less dense than oceanic crust.
Question #3
Passive margins are also referred to as ____.
A.   Atlantic-type margins
B.   Converging-type margins
C.   Pacific-type margins
D.   Basin-type margins
Question #4
Most geologists believe that submarine canyons have been formed by ____
A.   Volcanoes
B.   Sea level changes
C.   Turbidity currents
D.   Subduction
Question #5
What process gives trenches their unique arc-shaped depressions?
A.   Erosion
B.   Turbidity
C.   Spreading
D.   Subduction
Question #6
Which of the following features is typically associated with divergent plate motion?
A.   Deep-sea trench
B.   Oceanic ridge
C.   Abyssal plain
D.   Continental shelf
Question #7
Which of the following contribute to guyot formation?
A.   submarine volcanism, erosion and thermal contraction
B.   erosion
C.   submarine volcanism
D.   movement along fracture zone
E.   thermal contraction
Question #8
Which of the following are true of submarine canyons
A.   They cut through sediments of the continental shelf, slope and rise
B.   They spill out onto the deep seafloor as abyssal fans
C.   They are carved by turbidity currents, they spill out onto the deep seafloor as abyssal fans and they cut through sediments of the continental shelf, slope and rise
D.   They begin at mid-ocean ridges and stretch out onto the abyssal plain
Question #9
Which features are found in association with subduction zones?
A.   arc volcanoes and hot spot volcanoes
B.   trenches, arc volcanoes and shallow, intermediate and sometimes deep earthquakes
C.   hot spot volcanoes
D.   shallow, intermediate and sometimes deep earthquakes
Question #10
Which of the following is most sensitive to changes in sea level?
A.   Continental slope
B.   Hydrothermal vents
C.   Continental rise
D.   Continental shelf

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