character: Mrs. Thompson
topic: The Role of Chemistry in Environmental Protection
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Chemical Reactions and Their Impact on the Environment
grade: 9
subject: Chemistry
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character: Dr. Lee
topic: Green Chemistry and Sustainable Practices
grade: 9
subject: Chemistry
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character: Ms. Carter
topic: The Importance of Biodegradable Materials in Conservation
grade: 9
subject: Chemistry
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