Question

What are the countour lines why are they used

Answer 1

Explanation:

they are used to signify the geographical location of land, such as height, nature of the landform.

Answer 2

Explanation:

Contour lines are lines drawn on a map connecting points of equal elevation, meaning if you physically followed a contour line, elevation would remain constant. Contour lines show elevation and the shape of the terrain. They're useful because they illustrate the shape of the land surface — its topography — on the map.

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