Answer:
A documentary includes more details to better explain the story and communicate a message
Explanation:
The statement that best describes a similarity between a documentary and memoir is that "a documentary includes more details to better explain the story and communicate a message"
A documentary reveals and unveils more details of a particular story. Documentaries release more information on a story or viewpoint which is not being buttressed by mainstream media. It uses real people and real events to create its story, message or viewpoint.
Documentaries convey message to the audience and gives them more enlightenment on the subject matter.
The answer is A. Dr. Jekyll's formula will only work with an impure salt, which he can no longer find.
It is the impurity of the salt which Jekyll believes lent efficiency to the draught.