Concept:Nigeria’s position is described by the longitude lines that pass through its western and eastern boundaries.Explanation:Longitude measures a location east or west of the Prime Meridian (0∘).Nigeria extends from roughly 3∘E in the far west to about 15∘E in the far east.Hence, the country lies between longitude 3∘E and longitude 15∘E.Answer:C. 3∘E and 15∘E.