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