A meteorologist named Alfred Wegener had a theory about how the continents got where they are today. He thought that they had started as one supercontinent named Pangaea, and then drifted to their current position. His theory wasn't believed during his time because he had no way to prove it. There were some things that back his theory up like the same fossils being found on different continents with different climates and the way the edges of the continents fit together like a puzzle.
Today, we know he was correct in thinking that. …
