Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology

Coming closer together, especially in characteristics or ideas

tending to be different or develop in different directions.

A transform fault or transform boundary, also known as conservative plate boundary since these faults neither create nor destroy lithosphere.

The Juan de Fuca plate

convection currents

A rift zone is a feature of some volcanoes, especially shield volcanoes, in which a linear series of fissures in the volcanic edifice allows lava to be erupted from

In geology, subduction is the process that takes place at convergent boundaries by which one tectonic plate moves under another tectonic plate and sinks into the mantle as the plates converge.