Earth has five layers based on physical properties: the inner core, the outer core, the mesosphere, the asthenosphere, and the lithosphere. Which of these layers do the tectonic plates move on top of?

The asthenosphere.

Explanation:

The tectonic plates move on top of the asthenosphere. Bellow this Earth's mantle, there are currents of magma that allow the tectonic plates to move. This movement can modify the lithosphere by creating spaces where the magma ascends to make crusts. Also, when tectonic plates touch, they disturb the lithosphere creating earthquakes.

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answer; they are called (pebbling);