Question

What is one of the best ways speakers can make their speeches more memorable? make sure their speeches are entertaining use a lot of facts in their speeches that appeal to logic listen to previous speeches to learn how others have done it appeal to emotions by varying the tone and pitch of their voices

Answer 1

Your answer would be the last one: Appeal to emotions by varying the tone and pitch of their voices.

Answer 2

The answer is:

appeal to emotions by varying the tone and pitch of their voices

At the end people will forget hat you told them, or what you taught them, but they will never forget how you make them feel, that´s the whole point of a persuasive speech.