lesson 4 crossword puzzle

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Across
  1. 3. new
  2. 5. good feeling
  3. 7. forever
  4. 10. old
  5. 14. learned/born in nature
  6. 15. house shape
  7. 16. collecting animals
  8. 17. requirement
Down
  1. 1. collecting plants
  2. 2. move`s often
  3. 4. made animals usefull
  4. 5. stone structure
  5. 6. farming
  6. 8. neolithic
  7. 9. shelter
  8. 11. home/protection
  9. 12. paleolithic
  10. 13. brick