Across
- 1. biggest ocean in the world
- 5. longest river in Australia
- 7. water is stored in these
- 8. the most water-rich country
- 11. lake with salt in it
- 12. has the Nile river
Down
- 2. most polluted river in the world
- 3. country that uses the most water
- 4. the study of the land
- 6. when you have no water
- 9. water as a solid
- 10. when there is too much water surrounding places