Scientific writing

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Across
  1. 3. A well-substantiated explanation of some aspect of the world
  2. 4. Any piece of work that is undertaken or attempted
  3. 7. A customary way of operation or behavior
  4. 8. A basic or essential attribute shared by members of a class
  5. 12. Deficient in quantity or number compared with the demand
  6. 13. Make realize the truth or validity of something
  7. 14. Some situation or event that is thought about
Down
  1. 1. An abstract or general idea inferred from specific instances
  2. 2. A quality belonging to or characteristic of an entity
  3. 5. Something that interests you because it is important
  4. 6. A plan of action adopted by an individual or social group
  5. 9. A section of text, particularly a section of medium length
  6. 10. An elaborate and systematic plan of action
  7. 11. A relative position or degree of value in a graded group