character: Environmental Chemist
topic: Impact of Hydrocarbon Combustion on Air Quality
grade: 11
subject: Chemistry
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character: Air Quality Analyst
topic: Effects of Pollutants from Hydrocarbon Combustion
grade: 11
subject: Chemistry
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character: Atmospheric Scientist
topic: Carbon Emissions and Climate Change
grade: 11
subject: Chemistry
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character: Environmental Policy Maker
topic: Regulations on Hydrocarbon Use and Air Quality Improvement
grade: 11
subject: Chemistry
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