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6, 4, 1, 5, 3, 2, 8, 7
<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 gravity of the Sun
Explanation: The gravitational pull of the sun is strong enough to keep the planets rotating.
Senators serve 6 years terms and elections over Senate are staggered over even years. So only one third of senate is up for reelection.
NONE of the above , i had this same exact question.