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