lessons 6-8

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Across
  1. 3. big or serious
  2. 5. new devices, machines, and ideas
  3. 8. the verb form of contamination
  4. 10. bad actions against the community
  5. 11. very different
  6. 13. growing or living in, on, or near water
  7. 14. small houses in bad condition where poor people live
Down
  1. 1. rich
  2. 2. a substance that can make people or animals ill
  3. 4. made unclean or unsafe to use
  4. 6. relating to the economy
  5. 7. man-made devices that improve our lives
  6. 9. no longer alive
  7. 12. throwing away something you do not want