Across
- 3. a technique of separating solutions using boiling and condensation
- 5. the amount of other substances in water
- 6. water with high concentration of calcium
- 7. the process of eroding by natural causes
- 10. the highest point of land on a continent
- 11. safe clean drinking water
- 12. average weather measured over a long time
- 14. eroded rock fragments in water
- 17. physical or behavior characteristics that increase chances of survival
- 18. circular movement of water particles
- 19. large moving chucks of ice
- 20. variety of something
Down
- 1. characterisicts of a stream
- 2. amount of people in an area
- 4. the direction of the flow of water
- 8. amount of salt in water
- 9. movement of water through a membrain
- 13. rise and lower of water
- 15. a liquid made from 1 hydrogen and 2 oxygen
- 16. observe check or watch something