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Earths asthenosphere is hot and it flows in a plastic way by

User Jma
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Answer:

Heat from deep within Earth is thought to keep the asthenosphere malleable, lubricating the undersides of Earth's tectonic plates and allowing them to move. Convection currents generated within the asthenosphere push magma upward through volcanic vents and spreading centres to create new crust.

Step-by-step explanation:

User Odin
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