If you are not in a sales profession, you will little use for the principles of persuasive speaking

__________ refers to the relative strength or weakness of someone's ability to speak loudly enough for an audience in a given context

a. Linguistics b. Vocal projection c. Kinesics d. Amplification

Ending a speech with a story, especially a personal story, can lend the speech _________________

Fill in the blank(s) with correct word