Pangaea

The magma that rises between the rift valley forms

What is the mid-ocean ridge?

Which is the following is not proof of continental drift?

Magma can be found in the 

Which scientist mapped the ocean floor?

Who is the scientist responsible for the theory of continental drift?

What happened during continental drift?

What is a continent?

What is the opening in the mid-ocean ridge called?

What rises up from the rift valley?