North Carolina River Basins

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Across
  1. 2. rapid, dense growth of algae that robs the water of oxygen as it dies and decomposes
  2. 3. the water found in cracks and pores in sand, gravel, and rocks below the earth's surface
  3. 4. animal that lacks a backbone and is visible to the naked eye
  4. 5. the land that water flows across or under on its way to a river
  5. 6. the amount of land and water needed to support one's lifestyle using current technology
  6. 9. open space or connector along a natural corridor (such as a river) used for parks and trails
  7. 10. discharge entering a stream at a specific time, detectable point such as a pipe or outfall
  8. 12. a natural system linked by living (plants, animals) and nonliving (soil, air, water) things
  9. 13. eroded soil particles that wash or blow into rivers
  10. 14. a semi-enclosed area where fresh water from a river meets salty water from the sea
  11. 15. all the land drained by a river, stream or lake
Down
  1. 1. diffuse runoff from large areas of land
  2. 2. a porous rock layer underground that is a reservoir for water
  3. 7. pertaining to the edges of steams or rivers
  4. 8. plants and trees surrounding a river or stream
  5. 11. surplus water from rain and melted snow