character: Dr. Sarah Johnson
topic: The Role of Air Pollutants in Ecosystem Health
grade: 9
subject: Science
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character: Dr. Emily Chen
topic: Impact of Air Quality on Biodiversity
grade: 9
subject: Science
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character: Professor Mark Thompson
topic: Effects of Acid Rain on Forest Ecosystems
grade: 9
subject: Science
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character: Dr. Lisa Patel
topic: Airborne Contaminants and Their Influence on Aquatic Systems
grade: 9
subject: Science
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