Lord of the flies crossword puzzle

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Across
  1. 3. not showing sentimental feelings
  2. 9. the idea that people are driven by self interest
  3. 10. no longer produced/ used
  4. 12. a paved outdoor area
  5. 14. a system that organizes files and also serves as a road map to data and applications
  6. 15. emitting light via heat
Down
  1. 1. Relating to analysis/ logical reasoning
  2. 2. absolutely necessary
  3. 4. to produce/ be filled with a deep reverberating sound
  4. 5. not having human activity
  5. 6. A home given to a minister by a governing house of a worship
  6. 7. free from an entanglement
  7. 8. Relating to serious academic study
  8. 11. slow decay due to neglect
  9. 13. a branch of the Christian church