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Answer:
The movement of warmth by convection within the layer causes the rock of the mantle to slowly move in large streams. The solid rock of the layer is resting directly on high of the solid rock of the layer.
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The mantle is defined as the molten rock in which acts like a conveyor belt for the plates. The plate boundaries are connected to the slow movement of solid rock that is due to convection currents.
Convection currents can be explained as:
- Convection currents are a process in which is generated by the rising and falling of the heat. It is caused due to radioactive decay.
- The convection causes the movement of the plates, which diverges near the Earth's crust. The plates will move apart from each other.
- The convection currents when converge, then the plates will move towards each other.
Thus, the movement in the mantle is caused by the convection currents.
To know more about convection currents, refer to the following link:
https://brainly.com/question/12841408
