Question

The plates and the upper mantle................. on the lower molten part of the mantle​

Answer 1

Answer:

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Explanation:

The mantle is a layer of the Earth between the crust and the core. ... The upper mantle can be divided into the thin layer that, together with the crust, is called the lithosphere and the hot, fluid asthenosphere below the lithosphere. This lower layer is responsible for the movement of tectonic plates.

Answer 2

Answer:

.......float.......