JIMMY TAN 2G

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Across
  1. 2. used to fight unhealthy air
  2. 3. causes poor visibility
  3. 6. rain can kill plants and animals
  4. 8. fuel we burn this to get energy
  5. 10. station is a place that store energy
  6. 14. spills caused by collisions between ships
  7. 15. gas like things
  8. 18. nonsolid
  9. 20. problems by breathing in carbon monoxide
Down
  1. 1. a air substance and unhealthy to breathe in
  2. 4. a green substance
  3. 5. a thing that creates smoke by working
  4. 7. used to measure air quality
  5. 9. needed to supports life
  6. 11. things we need to breath
  7. 12. dioxide is a bad air substance
  8. 13. sewage is a toxic waste from industries
  9. 16. a hard or rock object
  10. 17. a thing we don't want
  11. 19. fires cause harm to natural