character: Rachel Carson
topic: Pesticides and their Environmental Impact
grade: 11
subject: Chemistry
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character: Silent Spring
topic: Impact of Pesticides on Ecosystems
grade: 11
subject: Chemistry
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character: EPA
topic: Regulations on Pesticide Use
grade: 11
subject: Chemistry
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character: Rachel Carson
topic: Human Health and Environmental Toxicology
grade: 11
subject: Chemistry
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