Freshwater Systems

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Across
  1. 2. How much water (in M3)passes through a given section of river in a second.
  2. 5. Help to prevent erosion and pollution in a watershed.
  3. 6. Any water that hits a surface, and runs downhill until it reaches a water body.
  4. 7. A geographical area where all the water flows to one place
  5. 9. Pollution that enters the watershed through runoff
  6. 10. The kind of pollution that is dumped directly into a water body
  7. 11. This is a hole in the roadway where water runs into
  8. 12. Animals without backbones
Down
  1. 1. Where water from storm drains and ditches ends up
  2. 3. Water losing oxygen because of too much algae
  3. 4. The name of the river where Mazatlan's water comes from.
  4. 5. A measure of how much sediment (dirt) is in the water
  5. 8. An element of fertilizer that can pollute a watershed
  6. 13. This type of fish needs a lot of oxygen to survive
  7. 14. If something has a pH less than 7 we call it this.
  8. 15. Dirt and soil that gets dissolved over time by water and wind.