North Africa traded gold while the west Africans traded salt, so they each benefited
The answer will be C. Or baseball is “a rather boring sport played between 2 teams of 9 players”
Narrow specialization of tasks within a production process so that each worker can become a specialist in doing one thing, especially on an assembly line. In traditional industries (see sunset industries), division of labor is a major motive force for economic-growth. However, in the era of mass customization (which requires multiple skills and very short machine change-over time), division of labor has become much more flexible. Also called specialization of labor.
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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This would be Calvin Coolidge. Coolidge meant well, but left business and practically all financial matters to the whims of the market, which led to the Great Depression.
