What is a manipulative aid? describe a situation in which the speaker would want to use a manipulative aid?

Any presentation aid that the speaker changes actively during his or her own speech is considered a manipulative aid.

That can include things like writing notes on the board, for example, or writing ideas from the audience, or even changing a visual aid during a demonstration speech.

(i can't select because there is no options but, i will answer) using evidence effectively. most of the assignments you will do in university will ask you to make an argument, to take a stance, or to prove a hypothesis. the best way to do this is to research the topic, develop a thesis statement, hypothesis, or claim and then use evidence to support this claim.

c. would be the answer : )

explanation: