character: Dr. Jane Smith
topic: Chemical Reactions and Their Effect on Urban Air Pollution
grade: 9
subject: Chemistry
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character: Professor Alan Turner
topic: The Role of Combustion in Urban Air Quality
grade: 9
subject: Chemistry
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character: Ms. Emily Reynolds
topic: Understanding Ozone Formation in Urban Areas
grade: 9
subject: Chemistry
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character: Mr. Robert Lee
topic: Industrial Emissions and Their Impact on City Air
grade: 9
subject: Chemistry
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