When someone who is a recognized authority in a specialized area states his/her opinion, this is considered as

"There is no scientific evidence that the MMR vaccine is linked to autism" is an example of a thesis designed to impact the audience's

a. values. b. behaviors. c. beliefs. d. attitudes.

Which is the best type of boom microphone?

a. omnidirectional dynamic b. omnidirectional ribbon c. lavalier d. omnidirectional condenser e. shotgun