Biology · Ecology and Environment
Planting robust vegetation along canals, streams, and storm drains protects water quality primarily by:
- 1Leaching chemical pesticides and nutrients directly into the water channels
- 2Blocking the stream flow completely to form stagnant reservoirs
- 3Replacing earth channels with concrete barriers that block plant growth
- 4Reducing embankment erosion and filtering particulate runoff from adjacent lands✓
Correct answer
Reducing embankment erosion and filtering particulate runoff from adjacent lands
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