Cremation is a method of final disposition wherein combustion, vaporization, and oxidation turns cadavers to basic chemical compounds, such as gases, ashes and mineral fragments retaining the appearance of dry bone. Cremation may serve as a funeral or post-funeral rite as an alternative to the burial or interment of an intact dead body. Cremated remains (also known as "cremains" or simply "ashes"), which do not constitute a health risk, may be buried or interred in memorial sites or cemeteries, or they may be retained by relatives and dispersed in various ways.