Answer:
contour interval is the correct answer.
Step-by-step explanation:
Distance between contours is known as contour interval.
- contour interval is the vertical difference within the elevations among the contour lines.
- contour lines it is a line made on a topographic map to show the ground elevation.
- contour intervals are different for several maps.
- To find out the elevations on the map contour lines are used.