Question

what is a contour line? explain its uses

Answer 1

Answer:

In cartography, contour lines join the points of equal elevation above a given standard level like the mean sea level. A contour map is a map to illustrate the topographical features of an area using contour lines. It is often used to show the heights, slopes and depths of valleys and hills.

Explanation:

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Answer 2

Explanation:

~Meaning : A line on a map joining points of equal height above or below sea level .

▪︎Uses: it helps to show the Rise and fall of a land on the map.

•They also tell us about slope of the land