_______ is a line lying throughout on the surface of the ground and preserving a constant inclination to the horizontal.
_______ is a line lying throughout on the surface of the ground and preserving a constant inclination to the horizontal. Correct Answer Contour gradient
Contour gradient is a line lying throughout on the surface of the ground and preserving a constant inclination to the horizontal. If the inclination of such a line is given, its direction from a point may be easily located either on the map or on the ground.