Spelling Extension

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Across
  1. 4. something is unfair
  2. 6. a theory idea
  3. 8. unclear
  4. 10. you can see something
  5. 11. energetic
  6. 12. a rule
  7. 14. something is done is secret
  8. 16. the growth of something
  9. 18. together
  10. 19. a prosses by which green plants sunlight
Down
  1. 1. not consistent
  2. 2. fasinating
  3. 3. big
  4. 5. being careful
  5. 7. valuable
  6. 9. secret covert
  7. 13. a guess
  8. 15. something has beenstopped
  9. 17. advanced