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.
Map of Karst and Potential Karst Areas in Soluble Rocks in the Contiguous United States. The distribution of karst and potential karst areas in soluble rocks in the contiguous United. States is shown in figure 1. Distribution of areas of mature surface karst in the contiguous United States. is primarily dependent on the presence of soluble rocks at or near the land surface and mean annual. precipitation above approximately 30 inches (in.) (76 centimeters (cm)). In the humid parts of the.