<span>The most unpredictable presentation aid a speaker could use is a person or an animal.
Presentation aids are things other than the expressions of a speech that are utilized to support the goal of the speaker. Specifically, they can be visual aids, sound aids or other supporting innovation.</span><span /><span>
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The correct answer is economist!
let's look at the other options:
anthropologist: studies people, their cultures and history for example
2) sociologists: studies society and the interaction of people in the society
4) political scientists study politics: political parties and international relations
Economists study markets and human behavior as buyers and sellers, and supply and demand!
Answer:
Secondary deviance is the correct answer.
Explanation:
I did an assignment on this.