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Q: What process in the mantel is responsible for powering plate tectonics?
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How are these three layers identified the core the mantel and the crust?

by the plate tectonics


What is the main driving energy in the mantle that is responsible for plate tectonics?

The tectonic plates move because the area below them (the mantel) is melted rock that is heated by the Earth's core. This causes the hotter lower area to float up as the upper area cools (called convection). This movement of the liquid rock causes the tectonic plates on top to move. So the answer would be the energy responsible for the movement of the tectonics plates is heat from the Earth's core.


Which Earth layer is responsible for filling in gaps left by seafloor spreading?

mantel


What is the process called when the oceanic floor sinks into a trench and back into the mantel?

This is known as subduction.


What suggest about when these particular continents broke up?

A long long time ago, maybe about 1,000,000 years ago, the mantel which is under the earth's crust (and we're standing on the earth's crust) was just like the earth's crust. But now it is hot melted rock. Over the years the mantel gets hotter. The Mantel gets so hot that it melts through the continents and separates them even more. Answer Plate Tectonics. The earths crust is floating on the molten magma which is what the centre of the Earth is made of. There are currents in the magma which tore the original single land mass (Pangea) apart and dragged the pieces apart. The pieces, called plates, are still drifting. Sometimes they crash into each other like India and Asia.