21. Depending on the thickness of the film, different colours interfere constructively and destructively . 22. Throughout the play Emma is overly and self-destructively preoccupied with skin color. 23. Both can be done destructively , which is more common, or non destructively. 24. Both can be done destructively, which is more common, or non destructively . 25. It is incredible how a member of the wiki community can act so destructively . 26. To non-destructively assess nitrogen content, one can assess the chlorophyll content. 27. It's a destructively seductive idea, but one that could also be instructive. 28. Those same attitudes occur in other regions, if less overtly often even more destructively . 29. Pilots shuddered at seeing their love _ flying _ used so destructively a year ago. 30. The Mbuti don't hunt destructively .