Geography and Culture Puzzle

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Across
  1. 1. : Researcher who studied the Iceman mummy
  2. 3. : Average weather over time
  3. 5. : Solid part of Earth's surface
  4. 7. : Large flowing body of water
  5. 9. : System of spoken or written words
  6. 11. : Very large body of salt water
  7. 13. : Work explaining or analyzing original sources
  8. 16. : Choice made after thinking
  9. 19. : Original document or evidence from the time being studied
  10. 20. : Beliefs and customs passed down from generation to generation
  11. 23. : Imaginary line around Earth’s middle
  12. 25. : Humans who live together in a community
  13. 26. : One of the main large land masses on Earth
Down
  1. 2. : Time before written records
  2. 4. : Way of life of a group of people
  3. 6. : Study of past events
  4. 8. : Area with common features
  5. 10. : Tall landform that rises above land
  6. 12. : European mountain range
  7. 14. : Object from the past made by humans
  8. 15. : Very dry region with little rain
  9. 17. : Land completely surrounded by water
  10. 18. : Passing stories by word of mouth
  11. 21. : Something useful found in nature
  12. 22. : Study of past through objects
  13. 24. : Drawing showing places and features