Puzzle #17

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Across
  1. 3. Rotary-wing aircraft
  2. 6. Timekeeping device
  3. 8. Woody perennial plant with branches and leaves
  4. 12. Guitar player
  5. 13. Elevated area of land
  6. 14. Center of our solar system
  7. 16. Earth's atmospheric space
  8. 18. Portable computing device
  9. 19. Fleeting
  10. 24. Musical piece
  11. 25. Educator
  12. 27. Change or variation
  13. 28. Pollinating insect
  14. 29. Black and white bear
Down
  1. 1. Dry, arid region with little precipitation
  2. 2. Rustic and pastoral
  3. 4. Dense, woody area with diverse flora and fauna
  4. 5. Viola player
  5. 7. Maritime navigation aid
  6. 9. Extended period of dry weather
  7. 10. Sweet cacao confectionery
  8. 11. Italian dish
  9. 15. Words of a song
  10. 17. Player of the viola
  11. 20. Small non-flowering plant
  12. 21. Speed at which music is played
  13. 22. River crossing
  14. 23. Healthcare worker
  15. 26. African mammal