Exam 4: Ocean Basins

Only temperature and salinity have an effect on the speed of sound.

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.

Active margins tend to be narrow in comparison to broad passive margins.

What type of margin is generally steep?

What is the origin of most abyssal plain sediments?

____ are likely to be found in subduction zones.

Where are abyssal plains most common?

What partly explains the seabed topography we observe?

How did the study of bathymetry progress with new technologies? Include important developments and events in history that impacted bathymetry.

The fundamental success of ocean depth measurements taken by satellites is based on the variation of gravitational pull associated with bathymetric features.