Which of the following is an example of spatial (non-attribute) data in a GIS?, The founding year of a district, The coordinates defining the boundary of a district, Which vector geometry type would best represent a river on a map?, Line, Point, What is the main difference between vector and raster data models?, Vector uses points, lines, and polygons; raster uses a grid of cells (pixels), Both use the same grid structure, What does CRS stand for in GIS?, Coordinate Reference System, Central Raster System, Why must all layers in a GIS project share the same coordinate system?, To reduce the file size, To ensure layers align correctly in space, What is spatial resolution in raster data?, The color scheme used on the map, The size of the area represented by one pixel/cell, Which tool would you use to find out which points fall inside a chosen polygon?, Raster calculator, Spatial overlay / intersect, What is georeferencing?, Assigning real-world coordinates to an image or map so it aligns correctly in space, Converting vector data into a table, A GPS device with ±5 meter accuracy is used to record well locations. What kind of error does this introduce?, No error at all, Positional (locational) error

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