Across
- 3. using a product more than once
- 5. amount of salt in water
- 8. a resource that nature can remake in a human lifetime
- 9. the number of states that are a part of the Chesapeake Bay watershed
- 11. lowering the amount of waste produced
- 12. area of land that is always partially wet
- 13. how clear or cloudy the water is
Down
- 1. cannot be remade by nature in a human lifetime
- 2. to change waste into a new and usable product
- 4. all the land draining into a single body of water
- 6. examples are coal, oil and natural gas
- 7. Dissolved _______ is what plants make and fish breathe
- 10. where fresh and salt water mix