<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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Answer:
The rising and falling of the tides would cause water levels around Jamestown to rise and cause fresh water streams to become brackish.
Explanation:
The rising and falling of the tides is likely to make the fresh water salty. This is because ocean water is salty and the rising and falling of tides will cause the fresh water to mix in the ocean water. in the given case, the event is likely to occur twice daily so it will increase the chances of fresh water streams turning salty.
The correct answer of the given question above would be option B. The significance of broadcasting the Super Bowl internationally is it, it showcases American sports culture to the world. <span>The </span>Super Bowl<span> is the annual championship game of the National Football League (NFL). Hope this answers the question.</span>