Social Studies

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Across
  1. 2. Another method to determine an Iceman's age
  2. 3. People who travel from place to place
  3. 4. Raising plants and animals for human use
  4. 6. Divided up work
  5. 7. Improved at a slow rate
  6. 9. Extra supply
Down
  1. 1. Where archaeologist dig up artifacts
  2. 2. Average weather conditions
  3. 5. To tame wild animals
  4. 8. To gather plants