Rain Gardens

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Across
  1. 2. Low-lying area where water collects
  2. 4. Plant part that grows deep to absorb water
  3. 6. Raised mound of soil holding water in
  4. 12. Process of water soaking into soil
  5. 13. Variety of living things in one area
  6. 15. Pipe that directs roof water downward
  7. 17. Test for how quickly soil absorbs water
  8. 19. Plants adapted to local climate and soil
  9. 20. Protective wood or bark layer on soil
Down
  1. 1. Wearing away of soil by wind or water
  2. 3. Rain or snowmelt flowing off hard surfaces
  3. 5. Soil particles carried by moving water
  4. 7. Water that moves across the ground surface
  5. 8. Ground layer often amended for infiltration
  6. 9. Shallow planted basin that captures and filters stormwater
  7. 10. Regular care to keep a system working
  8. 11. Harmful substances carried by runoff
  9. 14. Exit point for excess water in a rain garden
  10. 16. Natural home of plants or animals
  11. 18. Built systems, green or gray, that manage water