What did people use to generate light and heat before electricity was discovered?
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How did people travel before cars were invented?
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What fuel sources do we use for heat, light and transport today?
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What fuel sources do you think we will be using in 100 years' time?
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Does your country use hydroelectric power? If so, where?
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What other ways is electricity generated in your country?
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What are the benefits of hydroelectric power compared with other sources of energy?
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