character: Professor Mark Johnson
topic: Volcanic Eruptions and Atmospheric Changes
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: Impact of Volcanic Ash on Climate
grade: 9
subject: Science
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character: Professor Sarah Lee
topic: The Role of Volcanic Gases in Global Warming
grade: 9
subject: Science
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character: Dr. Robert Smith
topic: Historical Volcanic Events and Weather Patterns
grade: 9
subject: Science
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