The portion of the brain that controls emotions is the __________

A ten minute speech should have no more than six visual aids

Indicate whether the statement is true or false

Speakers should test the credibility of the authorities they quote by asking which of the following questions:

A. Does the authority have access to the necessary information? B. Is the authority qualified to interpret data? C. Is the person acknowledged as an expert on this subject? D. Is the authority figure free of bias and self-interest? E. All of these answers are correct and should be considered.