The tone of your voice is known as what?

Melissa uses her iPhone to text her friends Katie and Stephen to see if they want to join her for lunch at The Caf, the university cafeteria. What type of communication best describes their conversation?

A) Intrapersonal communication B) Performance studies C) Communication via social media D) Public speaking E) Group communication

"When I am finished with my presentation, the audience will testify that ghosts exist." This is an example of a(n) __________.

Fill in the blank(s) with the appropriate word(s).