ALT ENERGY

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