The option that isn't true about contouring is D. Contour lines never branch or fork, but extrapolation for data void regions is permissible.
Contouring simply means a technique for adding dimensions to an irregular figure. In this case, the lines should be labeled on each end, and in the middle if it's a long line.
In this case, the option that isn't true about contouring is that contour lines never branch or fork, but extrapolation for data void regions is permissible.
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