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3. They move because a plume of magma is rising deep within the earth’s mantle (the outer layer of the earth). As it moves, __________ builds up which forces the plates to move


Sagot :

✏️Plate Boundaries, Tectonic Plates, Earthquakes, and Volcanoes

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Answer:

Pressure

Explanation:

Plate boundaries or tectonic plates move because of pressure. As the pressure increases, it creates force to force the plates to move.

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