How is the comma used as an interrupter in this sentence? You are, as you well know, a candidate for class president.
O appositive
O direct address
O parenthetical expression
summary
o coordinate adjectives preceding a noun

what excerpt?

explanation:

the purpose of a nonfiction text is to give the text a rap up. for example, when i say : frogs are interesting animals is an ending. then when i say: frogs are unique in different ways. that is an intro.

the red coloration of the lungs looks alarming and adds to the overall message that the flu is threatening apex