Question

what purpose do the contours serve on a topo-sheet?​

Answer 1

Answer:

The distinctive characteristic of a topographic map is the use of elevation contour lines to show the shape of the Earth's surface. Elevation contours are imaginary lines connecting points having the same elevation on the surface of the land above or below a reference surface, which is usually mean sea level. Contours make it possible to show the height and shape of mountains, the depths of the ocean bottom, and the steepness of slopes.

Answer 2

Explanation:

what what purpose do the countors serve on toposheet answer is above