Some metropolitan areas contain metropolitan divisions. Two metropolitan divisions exist within the DallasâFort WorthâArlington MSA. The term metropolitan division is used to refer to a county or group of counties within a metropolitan area that has a population core of at least 2.5 million.
The bees carry the propolis back to their hives and mix it with their salivary secretions and wax flakes. Propolis contains 55% resins and balsams, 30% beeswax, 10% etheric oils, and 5% pollen.
Of the fourteen minerals required by the body, propolis contains them all with the exception of sulfur. Propolis is comprised of 50 percent to 70 percent resins and balsams, 30 percent to 50 percent wax, 5 percent to 10 percent bee pollen and 10 percent essential oils.