Social Studies crossword puzzle

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Across
  1. 4. -Farming on land.
  2. 8. -Move to new places.
  3. 9. -A relative who lived in the past.
  4. 11. -The first part of stone age.
  5. 13. -Freezing times long ago.
  6. 14. -Community of people who share common culture.
  7. 15. -A process of changing animals or plants to make them more useful to humans.
Down
  1. 1. -People who hunt for animals and gather berries and fruit for survival.
  2. 2. -A strip of land connecting two continents.
  3. 3. -The middle of stone age.
  4. 5. -Historians call the time before there was writing prehistory.
  5. 6. -Huge stones used as monuments.
  6. 7. -An early ancestor of humans.
  7. 10. -A new stone age.
  8. 12. -Any handheld object that helps a person accomplish a task.