Across
- 3. a liquid we all need
- 4. stuff that floats on top of water
- 5. body of water
- 6. people turn this into co2
- 9. healthy for plants
- 10. opposite of compose
- 12. cut it up before you recycle
Down
- 1. flushing toilets sends this in the ocean
- 2. gives plants extra nutrients
- 3. what we drained to make farms
- 7. most polluted river
- 8. how nitrogen goes to the ocean
- 11. has the acronym (p)