Distinct molecules called agglutinogens (a type of antigen) are attached to the surface of red blood cells. There are two different types of agglutinogens, type A and type B. Each type has different properties.
MDB: Geodatabase. The geodatabase is a collection of geographic datasets of various types, with the most basic types being vector, raster, and tabular data. There are three types of geodatabases: file, personal, and ArcSDE. Geodatabases are the native data format for ESRI's ArcGIS.
Frequently-used File Formats in QGIS: Feature Data: Feature data are usually organized as points, lines, and polygons in vector format. o Shapefile: The most commonly used geospatial data format. Although it appears to be one file in ArcMap, shapefile includes multiple files with the same file name, but