What should public relations professionals do to create an effective online video that gets maximum viewership?

Logos refers to:

a. The speaker's credentials. b. The popularity of an argument. c. The rational or logical proof. d. The degree of generalization.

The prologue of a narrative

A) serves as an introduction. B) foreshadows action to come. C) orients listeners to the content of the story. D) all of the above