Across
- 3. the variety of different species in an ecosystem
- 4. the amount of individuals in one species
- 6. average weather measured over a long period of time
- 8. eroded rock fragments and soil carried by water or wind
- 9. characteristics describing a stream or river
- 12. water containing a concentration of calcium and magnesium
- 13. a technique used to separate solutions by boiling and condensation
- 14. how much salts are dissolved?
- 16. a stream of water moving within a larger body of water
Down
- 1. a huge body of ice capable of travel
- 2. a species' physical changes used to survive a different environment
- 4. safe water humans can drink
- 5. highest point of land on a continent
- 7. amount of nonwater substances, how pure the liquid is
- 10. water moving through a membrane, a technique used for purifying water
- 11. daily changes in water level of the oceans
- 15. observe and watch something for a specific reason