Answer:
As the slab gets to a certain depth, it gets hot enough that it start to melt again. As it melts, it undergoes differentiation and also gets less dense. Low density means that it will start to rise back up again, usually, as granitic magma.
Explanation:
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The Americans had George Washington who trained them to fight and how to avoid smallpox also they knew where they where fighting so they could hide very well
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Stone mason and concrete but their concrete that they used was one of a kind but nobody knows their recipey to make it
A type of law that state government must follow is federal law.
