character: Rachel Carson
topic: Impact of Pollution on Coastal Biodiversity
grade: 9
subject: Geography
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character: Environmental Scientists
topic: Effects of Pollution on Marine Ecosystems
grade: 9
subject: Geography
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character: Marine Biologists
topic: Biodiversity and the Role of Coastal Habitats
grade: 9
subject: Geography
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character: Oceanographers
topic: Human Activities and Coastal Environmental Changes
grade: 9
subject: Geography
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