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The ability of water falling to attract air pollutants

  1. Jan 22, 2008 #1
    What is the ability of water running down the face of a solid surface to attract and collect air pollutants, such as, dust and particles?
    If you had say a 2 foot by 4 foot surface with water running down the face. of the surface.
  2. jcsd
  3. Jan 24, 2008 #2
    You must refering to adhesion.Water molecules are polar molecules.This polarity causes water to be attracted to other molecules (and water molecules,called cohetion).
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