Across
- 2. found on the ocean floor
- 4. water without oxygen
- 5. cloudy water due to suspended particles
- 6. can't stand polluted water
- 7. uses a light beam to measure turbidity
- 11. excess nutrients causing algae growth
- 12. bioindicator
- 18. 0-7 on the pH scale
- 19. the measure of kinetic energy
- 21. measures water quality
- 22. sets standards for water quality
- 23. low turbidity
Down
- 1. don't know the cause of the pollution
- 3. can see where the pollution is coming from
- 8. 7-14 on pH scale
- 9. high turbidity
- 10. oxygen gas dissolved in water
- 13. 7 on the pH scale
- 14. safe to drink
- 15. macroinvertebrates sensitive to pollution
- 16. can exist in polluted water
- 17. cause water to absorb more sunlight
- 20. measures how acidic or basic water is