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The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
A large "supercontinent" that is believed to have connected all of the continents on earth about 225 million years ago.
The process that creates new sea floor as plates move away from each other at the mid-ocean ridges
Large section of Earth's oceanic or continental crust and rigid upper mantle that moves around on the asthenoshpere
The solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it
largest layer of rock between Earth's crust and core containing the lithosphere and asthen0sphere
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