Answer:
In the process of conduction, heat flows from warmer objects to cooler objects. Hot lower mantle material rises upward (Figure below). As it rises, it cools. At the top of the mantle it moves horizontally.
Explanation:
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to see if they can find any other information to see what it worth how valuable it is or wht it is
I think it is B. medium tell me if I am wrong
B and D
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