PowerPoint slides can be quite effective and used best when they (1 point) Responses are humorous and make people laugh. are humorous and make people laugh. have pictures of far off locations. have pictures of far off locations. are used properly as an enhancement to the speaker's presentation. are used properly as an enhancement to the speaker's presentation. show pictures of the speaker looking authoritative and knowledgeable.
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are used properly as an enhancement to the speaker's presentation.
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