character: Rachel Carson
topic: Impact of Pollution on Coastal Marine Life
grade: 9
subject: Geography
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character: Coastal Ecosystems
topic: Effects of Pollution
grade: 9
subject: Geography
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character: Marine Biodiversity
topic: Threats from Pollution
grade: 9
subject: Geography
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character: Environmental Policy
topic: Regulation and Conservation Efforts
grade: 9
subject: Geography
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