Spelling Puzzle

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Across
  1. 2. bubble
  2. 6. baboon
  3. 8. behavior
  4. 10. billabong
  5. 11. bighorn
  6. 13. beware
  7. 14. binary code
  8. 16. bathythermograph
  9. 17. biogas
  10. 19. bankrupt
Down
  1. 1. batman
  2. 3. biohazard
  3. 4. beetles
  4. 5. biochemistry
  5. 7. bacteria
  6. 9. biotechnology
  7. 10. bald cypress
  8. 12. banana spider
  9. 15. betray
  10. 18. beat