The answer may vary

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Unit 10: ENERGY SOURCES

IV. SPEAKING

Answer the questions. The answer may vary.

1. What is renewable energy?
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2. What is non-renewable energy?
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3. What are some examples of renewable energy?
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4. What are some examples of non-renewable energy?
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5. Where does carbon dioxide emission come from?
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6. What are some effects of global warming?
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7. What can you do to reduce air pollution?
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8. How can you save water?
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9. How can you save energy?
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10. How can you save wood for producing paper?
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