Across
- 2. excessive nutrients in a body of water that leads to the growth of plant life
- 5. an area that drains all the streams and rainfall to one outlet
- 8. all open spaces in rocks ore filled with water
- 10. evaporation of water from a leaf
- 13. water without salt
- 16. movement of cold, deep, and nutrient rich water to the surface
- 17. kills insects
- 18. large circular surface pattern found in each ocean
- 19. water entering soil
- 21. the quantity of water that passes a given point in a given time
- 22. water that flows over the ground instead of sinking into it
Down
- 1. rigid outer part of earth,has crust and upper mantle
- 3. pollution without a specific origin point
- 4. upper level of the saturated zone of ground water
- 6. volume of open spaces in rocks or soil
- 7. pollution with a specific origin point
- 9. mixture of fresh and salt water
- 11. the sinking of land
- 12. ability of rocks to allow water to flow through it
- 14. a body of rock or sediment that stores and allows the flow of groundwater
- 15. the area of land drained by a river
- 18. water that fills cracks and spaces in underground rock and soil layer
- 20. the amount of energy required to raise one gram of something by one degree
- 23. the area subject to flooding during a given number of years