mesopotampia

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Across
  1. 6. they built _______
  2. 7. babylon is one of the first ____
Down
  1. 1. one of the first empires is ____
  2. 2. mesopotamia is written in _____
  3. 3. they invented the base ____
  4. 4. they used there advaned math to do _____
  5. 5. mesopotamia means the land between two ___