It identifies the focus and method of the research project.
AND
it provides important scientific and medical data to the public.
To illustrate the author’s calm, contemplative mood
This is the best description for the excerpt. The author illustrates his mood with words that identify his mood at the moment when he wrote it. He has written about his thoughts as well and his view of nature.
Answer:
C. to provide a history of African American surgeons
(D) adding-ed or d but yea this is rly easy
The protagonist is most likely to experience a change in the climax
