Environmental Science crossword

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Across
  1. 2. Coal, oil and natural gas are:
  2. 6. Type of nuclear energy where atoms are combined
  3. 9. Highly desirable coal/fuel because of its high heat content and low sulfur content
  4. 10. Most used energy type in Ecuador
  5. 12. Energy derived from sources that will run out, and cannot be used again
  6. 13. An energy source that can be easily replenished
  7. 15. Energy emitted by the sun
Down
  1. 1. Energy produced from living or once-living organisms
  2. 3. Oxygen, water and pyrite react and form:
  3. 4. The use of moving water to create energy
  4. 5. Country that uses the most energy
  5. 7. The US uses most of its energy on the:
  6. 8. The ability to do work
  7. 11. Where are the largest oil reserves in the world?
  8. 14. a solid, combustible mineral made of carbon, most abundant fossil fuel.