What is the thermocline?
The water temperature drops with increased depth faster than it does in other layers.
What is salinity?
The amount of salt.
What is the continental margin?
Is the edge of the continent that is covered by the ocean.
What is the deep-ocean basin?
Begins at the end of the continental margin.
What is a mid-ocean ridge?
a long underwater mountain chain that forms along the floor of the ocean.
What is an ocean trench?
A long, narrow depression in the deep-ocean basin.