It is personification because the different things that aren't alive or humans than in this excerpt they have human abilities
Well nothing is underlined but her is the only personal pronoun in this sentence so the antecedent would be carrie because it's her lunch
Bro is this your school hw if so they are trying to help you learn so asking us is useless!
Listening to someones advice lets you take it how you take it and come up with your own choices and actions. Letting someone else think for you is the complete opposite, you start doing things that you do not want to do but think you should because someone else thinks that is right or wants you to,