Transcription: The Earth's surface is broken into several large pieces called plates which fit together like a giant jigsaw puzzle. These plates are constantly moving. Scientists believe that since the Earth's crust was first formed, the movements of the plates have altered the position, size and shape of the continents. 300 million years ago, all the continents were joined together in a single supercontinent called Pangaea. About 180 million years ago, Pangaea started to break up as the plates began to move in different directions. By 65 million years ago, the continents were close to their current arrangem ...
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