Mesopotamia Invention Crossword

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Across
  1. 3. a doorway that held up weight and allowed people to go under
  2. 4. made with the base system
  3. 5. the number for the base system they made
  4. 7. made with the help of the wheel
  5. 9. a form of old writing
  6. 10. thing made assyrians made with glass
Down
  1. 1. the moving of water to crops
  2. 2. an object that helped things move
  3. 6. made out of copper and tin
  4. 8. musical stringed instrument