Across
- 5. passed in 1990 to help clean oil spills
- 6. biological magnification increase concentrations of these
- 7. land area that supplies water to rivers
- 11. leaking ____ wastes a lot of water
- 12. this is the percent of worldwide water use for domestic/personal use
- 13. less than this percent of water is available for use
- 14. the law passed in 1977 to help reduce water pollution
- 16. underground regions of soil saturated with water
- 20. freshwater category, below earth's surface
- 22. 3% of the earth's water is this
Down
- 1. we can easily identify this pollution
- 2. 97% of the earth's water is this kind
- 3. organisms that cause disease
- 4. 70% of worldwide water use is for this
- 8. resource that cannot be remade or regrown
- 9. this type of pollution can be caused by disease
- 10. the key to preventing pollution is to reuse, reduce and ______
- 15. resource that is natural and can be replenished
- 17. 20% of worldwide water use is for this
- 18. this is water that flows over land, not absorbed
- 19. an example of a nonrenewable energy resource
- 21. 70-75% of the earth's surface is covered with this