Lesson 4 - extra credit point!

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Across
  1. 3. The problem in Zargos was not enough food for the growing _____
  2. 4. One of the two rivers in Mesopotamia (on bottom)
  3. 5. This would often clog the canals
Down
  1. 1. This is where they moved to when they left Zargos
  2. 2. One of the two rivers in Mesopotamia (on top)
  3. 6. This was used to prevent flooding