Interrupting can often occur in combination with conversation rerouting

What is the term for the relative highness or lowness of vocal tone?

A. Pitch B. Rate C. Volume D. Articulation

Which of the following is NOT one of the reasons we are fearful about risks, despite the fact that we live longer, healthier lives than any time in the past?

a) Diseases are more frightening than ever before. b) Many people suffer from a poor sense of perspective. c) We are often not in control of decisions that affect our lives. d) We cannot understand the technology involved in many risks.