Anna has been instructed to prepare a short paper on her ancestors' demographics. She has asked some friends to explain her topic to her. Which of the following statements addresses an element of demographics?
A) She is supposed to write about her family's customs.
B) She is supposed to describe the personalities in her family.
C) She is supposed to write about the ethnic composition of her family.
D) She is supposed to write about any geographical shifts her family has made and how it changed them.
E) She is supposed to write about her family's attitude toward life in the United States.
Answer: C