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A closed contour line with one or more higher ones inside it represents?

  • A.Plane surface
  • B.Hilly top
  • C.Depression
  • D.None of these

Answer: B

It represents a hill top.

A closed contour with one or more closed contours of higher elevation inside it shows ground rising towards the centre: a hill or a summit. The highest closed contour marks the top.

The reverse, closed contours with lower values inside, shows a depression such as a pond or a pit. A plane surface is shown by straight, parallel, equally spaced contours, not closed loops. So the hilly top is the only option that fits rising values towards the centre.

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