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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Washington set many precedents as the first president, as he was acting without precedent, but of these possibilities, the answer is "<span>A. He refused to serve more than two terms and promoted dignity in office.</span>"
