Across
- 3. farming without soil
- 6. where water (and pesticides if not careful) becomes when cannot be evaporated after a rainstorm
- 11. Act of 1972 that protects the nations waterways
- 13. is what it is called when you work to help the environment
Down
- 1. _____ dioxide
- 2. 2 of these atoms that make up water
- 4. Batmans butler
- 5. result of human waste in the environment
- 7. need one of these atoms + two of something else to make up water
- 8. what is the energy of motion
- 9. the capability to do work
- 10. H20 on casual Friday
- 12. the root of life