Answer:
Melting would have caused denser substances to sink toward the center while less-dense materials would have migrated to the crust.
Explanation:
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<span>Sole proprietorships are more numerous, but corporations sell more goods. While any single individual may declare his business a corporation, generally speaking, most large corporations have more money, resources, and connections than the average sole proprietorship. A large corporation may sell their goods across state borders or internationally, for example.</span>