A person's blood type is based on the antigens found in the blood. These antigens, A and B are found on the surface of the blood cells and are uses as markers in the body. Type O blood does not have A or B antigens on the red blood cells, but contains both types in the plasma.
The Karst Plateau or the Karst region (Italian: Carso; Slovene: Kras), also simply known as the Karst, is a limestone plateau region extending across the border of southwestern Slovenia and northeastern Italy.he Karst Plateau or the Karst region (Italian: Carso; Slovene: Kras), also simply known as the Karst, is a limestone plateau region extending across the border of southwestern Slovenia and northeastern Italy.
Karst is a term used to describe the distinctive surface landscapes of cave country, shaped by dissolution of soluble bedrocks such as limestone, dolomite, or gypsum. The surface character of karst results from both surface dissolution of exposed bedrock and dissolution beneath the surface as caves are formed.arst is a term used to describe the distinctive surface landscapes of cave country, shaped by dissolution of soluble bedrocks such as limestone, dolomite, or gypsum. The surface character of karst results from both surface dissolution of exposed bedrock and dissolution beneath the surface as caves are formed.