Usually, the audience notices the speaker's nervousness as much as the speaker feels it

A database from your university's library system is more likely to contain more reputable articles than a database that you find through a search engine on your home computer

A. True B. False

Supporting information and materials are important to public speaking because

a. they encourage listeners to take our messages seriously. b. they help our messages withstand doubt and controversy. c. they add human appeal to our assertions. d. all of the above.