Jeremiah thought that he would be dramatic and impress his public speaking class with his speech on air pollution. He decided to use mice in a closed jar to illustrate how air pollution is slowly killing human beings

But during the speech, he noticed that audience attention was on the jar of mice rather than on him as the speaker. What guideline did Jeremiah ignore with regard to using visual aids?
a. Use animals with caution as visual aids in a speech.
b. Do not use dangerous or illegal visual aids.
c. Time your visual aids to coincide with your discussion of them.
d. Remember Murphy's Law.

a