Alfred Hitchcock regretted that sound entered movies as is clear in Blackmail

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.

Andy knows when he receives a text message from his father that says "We need to talk" Andy has done something wrong. This is an example of the denotative meaning of language.

a. true b. false