Across
- 3. long broad sandy island
- 5. partially enclosed body of brackish water
- 7. a large natural lake used for water supply
- 8. natural water used in every day use
- 12. an aquatic shelled mollusk
- 13. deals with the relations of organisms
- 15. cloudy or thick water
- 17. matter composed of organic compounds
- 18. swampy and wet area of land
- 20. barrier created to hold water back
- 23. variety of life in the world
- 26. an interacting group of various species
- 27. small body of fresh water
- 28. where something lives
- 29. to confine within an enclosure
- 30. land where water stops
- 32. concentration of oxygen that dissolved
- 34. grass like plant that lives in sea
Down
- 1. Big body of fresh water
- 2. suitability of water for a particular use
- 4. resources you find in nature
- 6. nourishment essential for growth
- 7. precipitation on land seeps into the ground.
- 9. spot where water collects
- 10. low oxygen zones
- 11. water you cant use for every day life
- 14. relating to or resulting from living things
- 16. bank is the land alongside a body of water.
- 19. region at lowest level of water
- 21. not derived from living organisms.
- 22. broken down by processes of weathering
- 24. the bed or channel in which a river flows.
- 25. the channel bottom of a stream or river
- 31. land consisting of marshes or swamps
- 33. foggy type water
