Ultimate Unit 11 Crossword

2. metals like mercury
3. total daily per capita use of fresh water
7. SERIES OF TESTS DONE TO QUANTIFY THE QUALITY OF THE WATER
8. Where cold water rises near continents or along ocean ridges
10. salt makes the aquifer unusable
14. found along coastlines, often within estuaries
15. Passed to protect public health by regulating the nation’s public drinking water supply
16. most productive biome
17. percolates/infiltrates down into the soil and fills
19. designed to transport water over long distances
21. Precipitation that falls in an area of land
22. an area of land that collects/funnels water to replenish a surface water source
25. created by moving water, widening the river, creating deltas
26. mix of fresh and saltwater
27. removing salt from ocean water or brackish water to get fresh water
28. enough light for photosynthesis

1. excreted from the body or improperly disposed of
4. recharged by the area of land above it, natural springs can form
5. open water, contain phytoplankton to photosynthesize
6. too deep for sunlight to penetrate
9. shallow, near shore, highest level of photosynthesis
11. soil/rock is not holding full amount of water,still are air pockets
12. All available spaces are filled with water, occurs below the water table
13. When there is increased demand for water
18. Removing ground water faster than it is being replaced can cause the land on top of the aquifer to sink
20. muddy bottom sediment
22. when usage exceeds supply
23. can only recharge through small openings in the impermeable layer that confines it
24. incredibly diverse ecosystem