Air and water quality

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Across
  1. 4. tiny solid or liquid particles suspended in the air
  2. 5. Rain that's affected by air pollution
  3. 6. Increases earth's temperature
  4. 8. An organism that helps scientists understand the ecosystems health
  5. 12. gases traps heat/sunlight
  6. 13. When a body of water gets too much nutrients and produces too much algae.
  7. 15. harmful chemicals that gets stronger as it moves up a food chain
Down
  1. 1. war air sitting on top of cold air
  2. 2. ozone pollution that forms near the earth's surface
  3. 3. The ocean becomes more acidic
  4. 7. harmful substance that is released into the air from natural resources
  5. 9. Can harm the environment
  6. 10. a warm blanket that keep the earth warm
  7. 11. fog made by smoke/chemical fumes
  8. 14. A layer that protects us from the sun's harmful rays