Internal-existing or located on the inside of something
External-belonging to or forming the outer surface or structure of something.
Answer:
I'm not sure what you mean by alteration but if you mean alliteration which mean the repeating of the same first letter, then that would be <u>flickering flame</u> but if you don't mean that then I can't help, I hope you got your answer
Answer:
underneath each main point
Explanation:
Hope it helps :)
