character: Geothermal Gary
topic: Cost Analysis of Geothermal Energy
grade: 8
subject: Economics
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character: Energy Explorer
topic: Renewable Energy Sources and Their Costs
grade: 8
subject: Economics
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character: Eco Ed
topic: Economic Benefits of Renewable Energy
grade: 8
subject: Economics
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character: Budgeting Betty
topic: Understanding Energy Expenses
grade: 8
subject: Economics
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