character: Air Quality Analyst
topic: Effects of Pollutants from Hydrocarbon Combustion
grade: 11
subject: Chemistry
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character: Environmental Scientist
topic: Impact of Air Quality on Human Health
grade: 11
subject: Chemistry
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character: Chemical Engineer
topic: Combustion Processes and Emission Control
grade: 11
subject: Chemistry
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character: Public Health Official
topic: Regulations on Air Quality Standards
grade: 11
subject: Chemistry
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