Particulate matter

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Across
  1. 6. when an animal or human harms it's environment
  2. 8. how something responds to something
  3. 9. something hard to make or do
  4. 11. this happens when your heart is malfunctioning
  5. 13. a very dangerous pollutant
  6. 15. a very bad sickness
  7. 16. something mixed very well
Down
  1. 1. the ability to see
  2. 2. when a cut or scrape gets to many germs and blood cells cant fight the germs
  3. 3. burning particles that are bad for the lungs
  4. 4. eating, drinking,or breathing something bad for you
  5. 5. something that happens in a short time
  6. 7. an animal or object that flies
  7. 10. a microscopic piece of something
  8. 12. a tool used to zoom in on things
  9. 14. a variety of something