Final answer:
The excerpt from 'Silent Spring' by Rachel Carson appeals to readers' emotions by emphasizing the dire consequences of environmental disasters.
Explanation:
The excerpt from Rachel Carson's 'Silent Spring' that best appeals to readers' pathos is: 'Yet every one of these disasters has actually happened somewhere, and many real communities have already suffered a substantial number of them. A grim specter has crept upon us almost unnoticed, and this imagined tragedy may easily become a stark reality we all shall know.'
This excerpt evokes emotions of fear, concern, and urgency by highlighting the real and potential impacts of environmental disasters.
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