NAEP Geography Grade 8

Category - Geography

Which is the main reason that many early peoples settled in river valleys?
  1. River valleys tended to be cooler than highland regions.
  2. River valleys were virtually free of danger from wild animals.
  3. River valleys were easier to defend from attack than were highland regions.
  4. River valleys were fertile because floodwaters left rich soil on the banks.
Explanation
Answer: D - River valleys were fertile because floodwaters left rich soil on the banks.
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