Answer:
I think it's D if you correct your question format i may be able to give a better answer hope this helps!
Explanation:
<span>the bones rub together and cause damage</span>
The answer is the third one
ex 1, personal= you could discuss you problems with your peers
ex 2, academic= you could get help from teachers and/or someone of a higher rank
ex 3 professional= you could discuss business ideas with fellow coworkers
hope this helps!! :)