Adams Crossword Puzzle

123456789101112131415161718
Across
  1. 5. walking and cycling to reduce the number of vehicles on the road
  2. 6. can cause respiratory problems
  3. 12. Are often caused by collisions between ships
  4. 14. From particulate matter
  5. 16. can be harmful or fatal to aquatic animals
  6. 17. from breathing in carbon monoxide,nitrogen oxides,particulate matter and sulfur dioxide
  7. 18. A source that produce particulate matter
Down
  1. 1. can contain harmful bacteria
  2. 2. forms when nitrogen oxides and sulfur dioxide dissolve in rainwater
  3. 3. produced from carbon monoxide
  4. 4. can cause algae to grow rapidly
  5. 7. from homes and toxic waste
  6. 8. can cause acid rain
  7. 9. burned pollutants
  8. 10. can be harmful to fishes
  9. 11. can cause acid rain
  10. 13. Animals can get stuck in it
  11. 15. used to measure air quality