Renewable Energy

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Across
  1. 3. where huge amounts of waste are buried
  2. 6. wall-like structure that blocks the natural flow of rivers
  3. 9. type of gas that traps heat in the atmosphere
  4. 11. machine with blades that spins to make electricity.
  5. 13. the amount of carbon dioxide we cause.
Down
  1. 1. when energy comes from natural sources and can be replenished
  2. 2. collects sunlight
  3. 4. energy made from plants or animal waste.
  4. 5. another term for hydropower
  5. 7. material like plants, wood, animal wastes
  6. 8. fuel that's less harmful to the environment; made from living things
  7. 10. energy that can be produced in volcanic areas
  8. 12. energy that depends on the weather conditions