character: Rachel Carson
topic: Environmental Impact of Water Pollution
grade: 11
subject: Chemistry
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character: Silent Spring
topic: Impact of Pesticides on Water Sources
grade: 11
subject: Chemistry
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character: EPA
topic: Regulations on Water Quality
grade: 11
subject: Chemistry
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character: Aquatic Ecosystems
topic: Effects of Pollutants on Marine Life
grade: 11
subject: Chemistry
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