it is the theory that earths outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core.
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it is the theory that earths outer shell is divided into several plates that glide over the mantle, the rocky inner layer
Answer:
Plate Tectonics
Explanation:
a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, since tectonic processes began on Earth between 3.3 and 3.5 billion years ago.