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

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.

to show how the cables work.

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an ugly duckling is teased by the other ducklings. when she grows up, however, the ducklings discover that she is a beautiful swan