An outline could be best compared to a "guide map" since it shows you where you are going to go, and gives a brief and basic description of what you will see along the way.
Answer:
Many people [think] that Africa is either a desert [or] a jungle.
Explanation:
That is just how it works.
I think MAYBE the answer could be c
Answer:
I am saying line 4.
Explanation:
Because you got the info right there on the line and it can help you find the source for later if you forgot.