character: David Suzuki
topic: The Role of Chemicals in Ecosystem Imbalance
grade: 11
subject: Chemistry
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character: Rachel Carson
topic: Impact of Pesticides on Ecosystems
grade: 11
subject: Chemistry
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character: Jane Goodall
topic: Chemical Effects on Wildlife Habitats
grade: 11
subject: Chemistry
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character: Carl Sagan
topic: Human Impact on Environmental Chemistry
grade: 11
subject: Chemistry
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