Q 38

The spores from many molds produce an allergic reaction in many individuals.If mold spores in the air were to be considered a colloid,which technique would remove the spores best from a functioning air conditioner duct? A)Place a filter made from woven fiberglass fibers in the duct. B)Install an electrical device with both positive and negative poles. C)Install an ultraviolet light producing device in the duct. D)All of these responses work to the same extent.

Multiple Choice