Across
- 3. has negative and positive sides
- 7. surface is tence
- 9. over a group of water beneath the surface
- 11. the largest body of water in the water
- 12. salty water
Down
- 1. a substance that dissolves
- 2. underground
- 4. something that fixes its self
- 5. frozen saltwater
- 6. dissolves things
- 8. H2o
- 10. drinkable water