character: Rachel Carson
topic: Impact of Water Pollution on Marine Ecosystems
grade: 12
subject: Chemistry
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character: Marine Biologists
topic: Study of Water Pollution Effects on Marine Life
grade: 12
subject: Chemistry
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character: Environmental Scientists
topic: Chemical Pollution and Its Impact on Ocean Biodiversity
grade: 12
subject: Chemistry
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character: Policy Makers
topic: Regulations on Water Pollution to Protect Marine Ecosystems
grade: 12
subject: Chemistry
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