2.2-2.3 History Crossword

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Across
  1. 3. the new stone age
  2. 5. farming
  3. 6. the middle stone age
  4. 7. the freezing times
Down
  1. 1. the process of changing plants or animals to make them more useful to humans
  2. 2. a strip of land connecting two continents
  3. 4. huge stones used as monuments
  4. 6. people moving to new places