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Extra science stuff
| Question | Answer |
|---|---|
| Stuff to know | things to know |
| Water cycle | Evaporation, condensation, precipitation |
| Distribution of earths water | 97% salt./ Ice 76%, shallow groundwater 12%, deep groundwater 11%, Lakes and rivers 0.34% , water vapor 0,037% |
| Major watersheds in united states | Columbia watershed, Colorado watershed, Mississippi watershed |
| Changes in a lake | Seasonal and sometimes long term which can cause death |
| Groundwater formation | Permeable layers, and Impermeable layers/ Soil, Sand, clay, solid rock |
| springs and wells | can drill below water table ( aquifer) |
| water use in the U.S. | 41.8% agriculture, 38.7% power plants, 10.4%households and businesses, 9.1%industries and mining |