Answer:
Underscore- a line placed under a certain word to show emphasis on it.
C. Whales. Because normally it is the first word and even though mammals would be considered a subject, it isn't the main subject.
Hope this helps!! :)
Because you need to know what you are placing first and last and what is improtant and what is not.least important at the end...
The example that demonstrates the idea of self-determination is C. The Youngster family attempts to move into an all-white neighborhood.
They eventually move into the neighborhood, following their dreams, despite Mr. Linder threatens, who tries to stop them from moving there since they are black.