Since neither reptile could have swum great distances across salt water he inferred that they once lived on a single landmass that has since split apart. ... When continents collide, their edges crumple up.
Essentially, Alfred Wegner stated that all the continents were connected as a supercontinent known as Pangea. Hence, this is his theory for explaining why similar fossils are found over different widespread continents.
Explanation:
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