earth challenge (water wise)

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Across
  1. 3. water that travels along the ground and is not absorbed
  2. 6. an underground source of water
  3. 7. also known as the water cycle
  4. 8. using water in a way that helps ensure future water needs
  5. 9. water that is safe for drinking
  6. 10. water that is added to soil
Down
  1. 1. a surface that prevents water from soaking or seeping through
  2. 2. an area of land where all the water within it flows into particular rivers
  3. 3. water that flows along roads and carries pollutants to untreated rivers
  4. 4. water that falls to the earth
  5. 5. using less water