Across
- 2. 3% of all Earth's water
- 4. where most of Earth's drinkable water is found
- 6. living thing in water that determine water health
- 7. pollution that comes from runoff
- 10. 97% of all Earth's water
- 11. where most of Earth's freshwater is found
- 13. all the water on earth
- 14. A healthy water system has low temperatures and a ________________ pH.
- 15. pollution that comes from 1 single site
Down
- 1. When water has lots of particles in it, making it appear cloudy, it is said have high ___________________.
- 3. the land drained by a river and its tributaries
- 5. water temperatures can lead to low levels of __________________.
- 8. when there are too many nutrients in water
- 9. an area of land that drains into a waterway
- 12. where rivers and oceans meet
- 15. any substance that can harm the environment