This is the crust that goes below the other when continental and oceanic crusts converge
What is the oceanic crust?
The scientist who discovered sea floor spreading.
Who is Harry Hess?
This is what scientists now know about the mantle that would have answered the scientists who rejected Wegener's theory.
What is convection currents move the plates (plate tectonics theory)?
The process by which oceanic crust goes underneath continental crust in a convergent boundary.
What is subduction?
The Mid-Atlantic Ridge formed because of this type of boundary under the ocean.
What is divergent boundary?
This is what happens when the divergent boundaries underwater have volcanoes that are making new crust.
What is sea floor spreading?