This is the study of how space is used between people of different cultures

Public speaking classes are valuable because

a. effective speakers tend to be more successful. b. they contribute to one's personal growth. c. they make for better democratic citizens. d. all of the above are correct.

Under normal circumstances, you should work out the exact wording of your introduction after you have finished preparing the body of your speech.

Answer the following statement true (T) or false (F)