Answer:
For the second question: Nice/Understanding/Sweet
3rd item: music...?
Pop Art uses iconic people or cultural symbols which can be identified as exactly what they are. Abstract Expressionism is not identifiable as a specific things or object, because it is supposed to communicate feelings. Pop Art usually sends a specific message, whereas Abstract Expressionism is art that is up to interpretation.
Answer: Mount Rushmore
Explanation: Statues that are almost three dimensional but still are attached to backgrounds are regarded as high relief.
D is the answer, because all of the above are true. All of the answers make since.