character: Rachel Carson
topic: The impact of her work on environmental legislation
grade: 10
subject: Biology
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character: EPA
topic: Environmental Protection Agency and its role in legislation
grade: 10
subject: Biology
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character: Clean Air Act
topic: Legislation aimed at controlling air pollution
grade: 10
subject: Biology
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character: Endangered Species Act
topic: Legislation that protects wildlife and their habitats
grade: 10
subject: Biology
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