<span>A grating sensation called CREPITUS can be felt and sometimes heard when the ends of a broken bone rub together</span>
Answer:
A) metaphor; incognito
Explanation:
Metaphor: a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable.
Incognito: having one's true identity concealed.
Answer:
to express what the writer learned
Explanation:
