Energy

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Across
  1. 2. gas that is released when coal is burned
  2. 4. most used energy source in Ecuador
  3. 5. a combustible mineral made of carbon
  4. 6. country with most natural gas reserves
  5. 11. causes nearby water to become orange and harmful to living things
  6. 12. type of energy that uses the sun as its source
  7. 13. country with most energy use
Down
  1. 1. type of energy that uses water
  2. 3. provide 80% of the worlds energy
  3. 6. An an energy source that can be replenished
  4. 7. type of nuclear energy where atoms are combined
  5. 8. The ability to do work
  6. 9. first stage of the coal formation process
  7. 10. highest grade of coal