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Evidence of PlateTec

8.9A

TermDefinition
Continental drift theory Alfred Wegner’s explanation of continents slowly moving and changing their positions relative to one another
Pangaea the hypothetical landmass that existed when all continents were joined, from about 300 to 200 million years ago
Theory of plate tectonics the theory that Earth's lithosphere is divided into tectonic plates that move around on top of the asthenosphere
 

 



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