In a short paragraph, explain the basics of the theory of plate tectonics. what does continental drift tell us about what happened to these plates in the past?

analyze the map below and answer the question that follows.

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Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle.
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