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AVprozaik [17]
3 years ago
14

Why do contour lines never cross on a topographic map?

Geography
1 answer:
Brilliant_brown [7]3 years ago
7 0
A contour line consists of points that are all at the same elevation, and each line has a different elevation. If two lines crossed, the point where they cross would be a point on both lines, so it would be a point that has two different elevations. That can't exist.
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