U4 Water Terms

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Across
  1. 3. often caused by excess nutrients like phosphorus and nitrogen from sources like agricultural runoff and sewage
  2. 5. rainwater that doesn’t absorb into the ground but instead flows over surfaces, picking up trash and pollutants along the way
  3. 6. the movement of salty ocean water into underground freshwater sources, like aquifers
  4. 8. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
  5. 10. a very large watershed.
  6. 12. the gradual sinking of the Earth's surface that occurs when excessive groundwater is pumped from underground aquifers
Down
  1. 1. a strip of vegetated land along the edge of a pond, river, or stream.
  2. 2. an underground layer of saturated rock that is permeable enough to store and transport usable amounts of groundwater to wells and springs.
  3. 4. decreases significantly as temperature increases
  4. 7. the tendency of water molecules to stick to other substances
  5. 9. an area in a body of water with such low oxygen that most marine life cannot survive there
  6. 11. the attraction between water molecules that causes them to stick to each other