NEED THIS ASAP In three to five sentences, explain the differences between most of the Ancient Civiliztions we have covered this year and the Indus Valley Civilization.

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1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Over half of the african-american population in the united states live in