Which map feature best indicates whether two regions have the same elevation? contour
relief
slope
symbol

Contour

Explanation:

A contour line connects positions of equivalent height above that of a specific level of map-making, such as the mean level of the sea. A contour map represents represented with contour lines, such as a topographical map showing mountains and valleys and the thickness or gentleness of mountains, for example.

when it's short and dry.