C Countour scale
Explanation:
The contour scale is not one of the scales that represent map scale. Â
A map scale is one that shows the relationship between the ground distance and the one on paper or a model.
Some scale usually associates the real distance to that one shown on a map.
Map scales can take any of the following forms: ratio scale or representative fractionword scale or statement scaleLinear scale or bar scale
There is no such thing as contour scale.