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The chief advantage of a contour over hill shading is that a contour

  • A.is quicker for a cartographer to draw
  • B.reproduces better in a single colour
  • C.conveys the shape of the land more vividly
  • D.gives a height that can be read exactly

Answer: D

A labelled line states a value, which shading never does. Shading is in fact the more vivid of the two, which is why published sheets frequently carry both and let each do the thing it does best, shading for the shape and contours for the numbers.

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