The Shifting of Pangea
Have you ever noticed that a map of the world looks like a puzzle and the continents look like the pieces that would fit together to complete the puzzle.
In 1912, Alfred Wegener, a German scientist and an adventurer, came up with a theory that the continents had once been part of a "supercontinent". Wegener proposed that, over 200 million years, what he called Pangea had separated and became individual pieces. Pangea means "all lands" in Greek, and that is what Pangea was, a very large landmass when all of the continents were connected. When Wegener first proposed this idea in 1912, people did not buy into this theory. One of the problems that Wegener faced was that he believed that the continents had drifted apart, but he couldn't explain how they had drifted apart. Another problem was that there was a theory already in place called the "Contraction Theory". This theory stated that the Earth was once a molten ball and in the process of cooling, the......
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