Practice Test 2 - 2022

Front

flat areas that cover extensive portions of the deep-ocean basins

Back

abyssal plain

Front

narrow and deep valleys on continental slopes where sediments fall down to the deep ocean

Back

submarine canyon

Front

a generally flat zone extending from the shore to the shelf break

Back

continental shelf

Front

Characteristics of PASSIVE continental margins include which of the following? Chains of islands, Broad (wide) continental shelves, Deep-sea trenches, Thin sediment accumulation, Volcanic and earthquake activity

Back

Broad (wide) continental shelves

Front

The steep area directly seaward of the continental shelf is called the ________.

Back

continental slope

Front

Underwater avalanches of muddy water mixed with rocks and debris are ________.

Back

turbidity currents

Front

Deep-ocean trenches and volcanic arcs result from the collision of two plates at convergent plate boundaries and mostly occur along the margins of which of the following oceans? Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean, Southern Ocean

Back

Pacific Ocean

Front

This technique provides the greatest detail when measuring ocean bathymetry.

Back

Side-scan Sonar

Front

Which of the following continental margin features is illustrated in the image? Deep-ocean trenches, Off-shore faults, Rift valleys, Hydrothermal vents, Submarine fans

Back

Submarine fans

Front

Which letter shows a continental shelf? Options: A, C, E, K, D

Back

A