Across
- 3. shines bright for photosynthesis
- 7. soil as a filter
- 8. rivers keep coming
- 9. living interacting with environment
- 10. water in Spanish
- 12. only 3% of water
- 14. deep, deep down
Down
- 1. one direction
- 2. high levels of salt
- 4. vary in size
- 5. high tide and low tide
- 6. shallow and sunlight
- 11. surface of the sea floor
- 13. fresh meets salty