Exam 4: Ocean Basins

Satellites use ____ to calculate the depths of the ocean.

What is a Pacific-type margin referring to?

Trenches are often the originators of large earthquakes and tsunamis.

What is a continental margin? What are the differences between active and passive margins? Include alternative names for the margins and the plate boundaries associated with each.

What was not a factor in making the mapping of the Earth's ocean more difficult?

Hydrothermal vents are only found in the depths of the ocean.

Where are abyssal plains most common?

The continental crust has a greater percentage of continental shelves and slopes than mountains.

Sediments on the deep-ocean floor are able to give information on the age and history of the surrounding continents and even the biological productivity of the water itself.

Which is not a major factor in the width of a continental shelf?