character: Rachel Carson
topic: Impact of Pesticides on Marine Ecology
grade: 11
subject: Chemistry
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character: David Suzuki
topic: Environmental activism and marine conservation
grade: 11
subject: Chemistry
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character: Jane Goodall
topic: Impact of human activities on ecosystems
grade: 11
subject: Chemistry
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character: Alfred Wegener
topic: Changes in ecological balance due to climate change
grade: 11
subject: Chemistry
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