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Prime Meridian 0 degree longitudinal line that runs through Greenwich, England
Mercator Map Distorts size and distance. Used by sailors.
Topographic Map Shows elevations.
Latitude Horizontal lines to show distance north and south of the equator.
Longitude Vertical lines to show distance east and west.
Polar Map (Gnonomic Map) Used by sailors and airplane pilots.
Robinson Map Shows shapes and distances accurately.
Conic Projection Used to make road maps.