||The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their preSent location.
||When the earth was all one part but now is split apart.
|Sea floor spreading
||The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies.
||The theory that the Eartha??s lithosphere is divided into tectonic plates that move around on top of the asthenosphere.
||Is when two tectonic plates collide with each other.
||When two tectonic plates separated.
||When two tectonic plates slide past each other.
||Made many observations before proposing his hypothesis of continual drift.
||A vent or fissure in the earths surface through which magma an d glass are expelled