Answer:
The type of figurative language used is SIMILE.
Explanation:
Similes compare 2 things using like or as. So in this case, the author is comparing the mothers voice to a cool dark room. Basically they're saying her voice is soothing and quiet like one. Perhaps you could say that the mom is very calm in nature
Answer:
To do the right/moral things simply because it is right regardless of if there are consequences or not.
Explanation:
(I answered this in the comments on accident)
angels should be morally righteous/superior and should therefore always strive to do good
Free Verse is the poetic technique used in "and the rainbow apepeared and curled around his shoulder"