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  • Today we are going to be talking about the Earth and some of it's boundaries.
  • First lets state with The Theory Of Plate tectonics which is that Earths outer shell divided into several plates that glide over the mantle
  •  If you're wondering what a Tectonic Plate  is it is two sub-layers of the earth's crust that move and sometimes float.
  • An example of plate tectonics is the Mid-Ocean Ridge ,  the Mid-Ocean Ridge is an underwater mountain system formed by plate tectonics, because of it we are getting new rock constantly.
  • Another type is  Divergent Boundary  that is when tectonic plates move apart from each other, they can create rift valleys.
  • And finally we have Convergent Boundaries  those a plates that move towards each other, those create volcanic mountain ranges.
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