The oldest age for rocks and crust on the ocean bottom are?

How has measuring the ocean depths changed over time? Compare two different methods–one early method and one modern method.

The White Cliffs of Dover in England were formed as a result of which marine organism?

Which particle size is transported the farthest by waves and currents?

At the bottom of the Pacific Ocean, in the center of the ocean you would expect to find which type of sediments?

Identify and compare the three different ways that plates can move in relation to the plate next to it.

What is the most widely accepted age of the earth?

What allows ice to float?

The voyages of Christopher Columbus were an effort to?

Wegener’s theory, proposed the existence of a supercontinent called what?