A photo of a dried-up lake and a photo of a family swimming in the lake before it dried up would most appeal to the audience's emotions in a presentation about global warming.
The multimedia element that would most appeal to an audience's emotions in a presentation about global warming is a photo of a dried-up lake and a photo of a family swimming in the lake before it dried up. This imagery can evoke strong emotions by visually demonstrating the impact of global warming on environments and communities.
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