The word you are looking for that describe a noun is an adjective
The writer is trying to inform the audience.
The last one.
Create a bibliography so you can make sure you've cited sources correctly.
The answer would be "She felt like a popsicle left in a freezer long enough to be shriveled" because it uses the word "like" which indicates that this sentence is a simile, and similies are a form of Figurative Language.