If a process takes longer than necessary in a demonstration, a speaker should be

Many of George Méliès' special effect techniques were the result of careful study and design, not fortunate accidents. ___

Indicate whether the statement is true or false

According to research cited and pictured in the text, the visual and vocal codes account for _______________ of the meaning of the message

A) 31% B) 50% C) 69% D) 75%