Personification gives human-like characteristics to non-human things. The air doesn't have lungs therefore it can't "breathe". The personification here is simply that the air is being described as breathing.
the correct ans is fictional
Researchers should be studying how brain chemistry is affected when children read about love in fairy tales.
A. You need to say that it is chipmunks. Otherwise the reader might infer "these" is in reference to the squirrels.
Answer: a command(an imperative sentence)
Explanation: You think there is no subject? No, there is an implied "you", so the sentence is a command.
