character: Jane Goodall
topic: Impact of human activities on ecosystems
grade: 11
subject: Chemistry
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character: Rachel Carson
topic: Environmental impact of pesticides
grade: 11
subject: Chemistry
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character: David Attenborough
topic: Consequences of climate change on biodiversity
grade: 11
subject: Chemistry
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character: Al Gore
topic: Global warming and its effects on ecosystems
grade: 11
subject: Chemistry
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