senthilm ecology crossword

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Across
  1. 4. what's the most abundant renewable energy
  2. 7. the lead fossil fuel for transportation is
  3. 9. heat from earth's interior
  4. 12. solar energy is ___
  5. 13. where is oil heated and separated into a fossil fuel
  6. 14. what fossil fuel is mostly is mostly used for electricity
  7. 15. adding alcohol to gas
  8. 16. this energy uses an organic matter
Down
  1. 1. what energy uses the force of water
  2. 2. turbines What is the original source of energy from wind and flowing water
  3. 3. Electricity formed by flowing water
  4. 5. hydropower is _____
  5. 6. what form of electricity takes up sunlight
  6. 8. compounds made from oil
  7. 10. when fuel rods melt a _____ occurs
  8. 11. mills what energy uses the force of wind