Oceanography Chapter 3 Quiz

New lithosphere is produced in association with:

mid-ocean ridges.

The most rapid change in slope in the ocean is associated with a(n)

oceanic trench.

Hydrothermal vents are commonly located:

at mid-ocean ridges

Continental rises are formed:

by many deep sea fans.

Passive continental margins are characterized by all of the following except:

deep-sea trenches.

Submarine canyons were most likely formed by:

erosion by turbidity currents.

Which of the following submerged features would have been previously above sea level and thus experienced erosion?

guyot (tablemount)

Underwater avalanches of muddy water mixed with rocks and debris are:

turbidity currents.

The direction of motion along a seafloor transform fault is:

in the same direction as the plates are moving.

Many more abyssal hills are visible in the Pacific Ocean compared with other ocean basins because:

sediment has covered those found in the other ocean basins, while the Pacific's active margins have prevented such sedimentation

The correct order of marine provinces from the coast to the mid-ocean ridge is:

shelf, slope, rise, abyssal plain.

The method that is most frequently used to investigate sediment and rock layers of the sea floor is:

sound waves.