posted by camilo .
how does destructive interference of sound waves help preserve hearing?
It really doesn't help preserve hearing much. Constructive and destructive interference average out. I have no idea what they are getting at with that question.
thanks but i still need an answer...
Since this is not my area of expertise, I searched Google under the key words "destructive interference hearing" to get these possible sources:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.