character: Rachel Carson
topic: Environmental Impact of Pesticides
grade: 12
subject: Chemistry
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character: Silent Spring
topic: Impact of Pesticides on Ecosystems
grade: 12
subject: Chemistry
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character: DDT
topic: Chemical Properties and Environmental Consequences
grade: 12
subject: Chemistry
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character: Biodiversity
topic: Influence of Pesticides on Species Diversity
grade: 12
subject: Chemistry
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