How Old Is the Atlantic Ocean?
ES0802  Matching Coastlines
Examination of a world map reveals a striking match between the shapes of the east coast of South America and the west coast of Africa. The two continents appear as though they could fit together like pieces of a jigsaw puzzle. The matching shape of their coasts is one of the most obvious pieces of evidence that suggests these two continents were once joined.
Jennifer Loomis, TERC

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