character: Rachel Carson
topic: Impact of Chemical Pesticides on Ecosystems
grade: 11
subject: Chemistry
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character: Silvio O. Conte
topic: Environmental Policy and Pesticide Regulation
grade: 11
subject: Chemistry
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character: Aldo Leopold
topic: Land Ethics and Ecosystem Management
grade: 11
subject: Chemistry
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character: David Suzuki
topic: Biodiversity and Chemical Pollution
grade: 11
subject: Chemistry
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