When to continental plates collide this process is called

The lithosphere is one of the least dense layers of earth where life exists also known as the

When to plates move apart the boundary is

The movement of Earth's tectonic plates is generated by

Oceanic crust sinks beneath continental crust because it is

When oceanic plates move toward a continental plate it creates a

When two plates slide past each other this is known as a

The Earth's inner and outer core is mostly composed of which two metals

This middle layer of earth, solid rock and is where convection currents occur