If Samuel delivers Martin Luther King Jr.'s "I Have a Dream" speech in his African American History class he is practicing the art of ______

You should round off large numbers when citing statistics

Indicate whether the statement is true or false

Tanya is giving a speech on microbiology. After "reading" her audience, Tanya pauses for dramatic effect in the middle of her speech. What kind of audience does Tanya most likely have at this point?

A) disagreeable B) confused C) inattentive or bored D) responsive