Which of the following is included in the definition of interpersonal communication as

To convince your audience members that the sources you cite are trustworthy, you should

A. provide them with a written bibliography. B. describe the qualifications of the sources' authors. C. give full, formal citations every time you mention the sources. D. briefly describe your research methods.

Topics with elaborate arguments or highly technical information should be avoided because they are not __________.

A. appropriate for oral delivery B. appropriate for an informative speech C. worthy of listeners' time D. important to the speaker