INSIGHT - PRE-INTERMEDIATE UNIT 6

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Across
  1. 3. rude
  2. 6. not allowed by the law
  3. 7. to become impossible to see any longer
  4. 9. to find someone or something
  5. 12. an approximate calculation of a quantity or value
  6. 14. it becomes bigger in amount, number, or degree
  7. 15. the system of communication in speech and writing that is used by people of a particular country or area
Down
  1. 1. including the whole world
  2. 2. the process of making air, water, etc dangerously dirty
  3. 4. to separate into parts
  4. 5. not knowing how to read or write
  5. 8. the number of people living in a particular area
  6. 9. to become less or go down to a lower level
  7. 10. to do a calculation in which you add a number to itself a particular number of times
  8. 11. all the people who live in a particular area, country
  9. 13. existing all the time