What is a volcanic mountain that forms near a mid-ocean ridge?

A gently sloping continental _____ extends from the edge of each continent.

How does the density of freshwater compare to the density of salt water?

What happens to the water temperature as you go deeper below the ocean surface?

How much sodium chloride and other salts are dissolved in a water sample is the water's _____.

Old ocean floor sinks toward the mantle at _____.

What is a smooth, nearly flat region of the ocean floor?

Scientists use _____, a form of technology that uses sound waves, to help them map the ocean floor.

Water _____ increases with depth in the ocean because the weight of the water above increases.