Social Studies – Integrated SS Practice Test

The Prime Meridian represents 0 degrees longitude, serving as the starting point for measuring longitudinal coordinates around the Earth. It runs from the North Pole to the South Pole, passing through Greenwich, England. This imaginary line is essential for navigation and mapping, establishing a reference for time zones and helping to divide the Earth into the Eastern and Western Hemispheres. By defining the location of the Prime Meridian, geographers and scientists can accurately describe the position of places on the globe in relation to this fundamental reference point.