Answer:
I believe the answer has already been given.
Explanation:
However, the question is, "What is a research?" of which the answer: "It is the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions" has been given.
Della sold her hair to get Jim the chain for his watch. And Jim sold his watch to get Della's combs for her hair. So the both sacrificed things they loved to give back to each other.
The answer to this question is C differentiate
Answer:A showing quiet pleasure.
Explanation:hope i helped