How Do We Know Pangea Existed?

Pangea was a supercontinent millions of years ago? But how can we be sure? How do we know that it even existed in the first place?

Credits:
https://pastebin.com/tL4DF6wu

Music:
River of Io - Kevin MacLeod (incompetech.com) licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Under The Gun - Doug Maxwell, Jimmy Fontanez
Home Base Groove - Kevin MacLeod (incompetech.com) licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
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Видео How Do We Know Pangea Existed? канала Mr Cognito