character: National Geographic
topic: Studying Sinkholes: Causes and Effects
grade: 9
subject: Geography
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character: Geography Teacher
topic: Understanding the Geology of Sinkholes
grade: 9
subject: Geography
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character: Environmental Scientist
topic: The Impact of Sinkholes on Local Ecosystems
grade: 9
subject: Geography
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character: Civil Engineer
topic: Engineering Solutions to Sinkhole Problems
grade: 9
subject: Geography
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