The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet
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Answer:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet
Explanation:
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Answer:
The theory of plate tectonics explains how earth's crust is broken up into large sections called tectonic plates.
Explanation:
These plates are moved by large convection currents occurring in the mantle. The movement occurs at the boundaries between the plates.