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Description: Source: http://www.tectonics.caltech.edu/outreach/animations/drift.htmlnnThe continents are moving, along with the sea floor, at about 2 inches/year. They don't travel very far over a human life span, but it adds up over millions of years.nThis animation shows the movement of the continents over the past 250 million years. It starts when dinosaurs roamed the earth. At that time, the continents were all together, forming one land mass called Pangaea.nnOver the next 250 million years, the land mas