What are the circular lines in each map called? And do you know what the lines radiating out of the two poles are called? (Hint: you studied them in the previous chapter, but here they are presented differently.)

The circular lines visible on maps, known as latitudes, run parallel to the equator and help measure distances north or south of the equator. The lines radiating from the poles are longitudes, or meridians, which run from the North Pole to the South Pole and measure distances east or west of the Prime Meridian. Together, these lines form a grid system used to determine the precise location of any place on Earth’s surface, which is essential for navigation and mapping.

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