Enrique said, "Listen carefully, this is the most convincing reason why life is likely to exist on other planets." He is using which of the following techniques to make his presentation memorable?

_________ advertisements provide information, raise awareness about social issues, and give how-to suggestions

a. Public service b. Financial c. Image-building d. Marketing

______________ is/are very effective in establishing a commercial’s mood or an overall set of conditions

A. sound effects B. music C. volume D. all of these answers E. none of these answers