Shaking our World

The theory of plate tectonic is a theory that is use to describe the large scale motions of Earth's lithosphere, on the concept of a continental drift. I agreed because it help us to understand the world which we live in.
  
   What is plate Tectonics?
Tectonics is another short way  for saying plate tectonics, plate tectonics is how the surface of the earth is constantly moving apart.