ALT ENERGY

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Across
  1. 3. uninterruptedly. G
  2. 6. the force that makes things fall. H
  3. 10. the length of a circle. W
  4. 12. covered to stop heat from escaping. S
  5. 14. start burning. S
  6. 15. working quickly and effectively. W
  7. 19. an artificial lake where water is stored. H
  8. 20. the growth or increasing of something. N
  9. 22. can last or not be used up. G
  10. 25. a sudden terrible event. N
  11. 29. the work needed to keep something in good condition. W
  12. 30. the sending from one place to another. G
Down
  1. 1. thermometric scale; abbreviation °C. N
  2. 2. height. H
  3. 4. liquid. S
  4. 5. controlled for effective use. S
  5. 7. put under water. H
  6. 8. the maximum point. H
  7. 9. decided beforehand. S
  8. 11. dependable; steady. G
  9. 13. endless. G
  10. 16. the ability to cope or change with circumstances. H
  11. 17. away from the coast. W
  12. 18. melted from a solid to a liquid. S
  13. 21. a group against something. N
  14. 23. make up for something lacking. W
  15. 24. people who want or favor something. N
  16. 26. a giant sea wave caused by underwater movement. N
  17. 27. completes or makes better. W
  18. 28. put under ground. G