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.

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong