Respuesta :

In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level.

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ANSWER:

The name for the elevation difference in between two adjacent contour lines is contour interval.

EXPLANATION:

  • Counter lines are the line on the map that is drawn between two places at same altitude from the sea level.
  • It is the notation in the map. Usually in most of the topographic maps, in every '5th contour line' bold or wider counters are drawn.
  • The two adjacent counter liens on map do not intersect but the elevation can be different among them, called as the counter interval.