Select the correct statement. .
A) Contour interval on any map is kept constant.
(B) Direct method of contouring is cheaper than indirect method.
(C) Intervisibility of points on a contour map cannot be ascertained.
(D) Slope of a hill cannot be determined with the help of contours.
A) Contour interval on any map is kept constant.
(B) Direct method of contouring is cheaper than indirect method.
(C) Intervisibility of points on a contour map cannot be ascertained.
(D) Slope of a hill cannot be determined with the help of contours.