character: Seismic Sally
topic: Measuring Earthquakes: Instruments and Techniques
grade: 9
subject: Geography
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character: Seismic Sally
topic: Understanding Seismographs and Their Function
grade: 9
subject: Geography
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character: Seismic Sally
topic: Types of Earthquake Waves and Measurement
grade: 9
subject: Geography
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character: Seismic Sally
topic: Impact of Earthquakes on Geography and Human Activity
grade: 9
subject: Geography
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