The layer of Earth that has partially melted material that moves the tectonic plates is Mantle. The correct option is C.
The Earth is divided into three layers: the crust, the mantle, and the core. This is the earth's outer layer, and it is composed primarily of solid rock, primarily basalt and granite. Oceanic crust and continental crust are the two types of crust.
The layer of Earth that has partially melted material that moves the tectonic plates is Mantle.
Thus, the correct option is C.
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