parallel lines that are imaginary. They are measured in degrees north or south of the equator. They run east and west
an imaginary lline that circles Earth halfway between the poles. It is at 0 degrees latitude.
line of the global grid running from the North Pole to the South Pole. It is the starting point for measuring degrees of east and west longitude
imaginary lines that run from pole to pole. They are measured in degrees east or west of the prime meridian
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