Atopographic map is useful to show landform features. contour lines are used on topographic maps. which statement accurately describes contour lines? a. contour lines that are close together mean that the land is flat. b) contour lines that are far apart mean that the land is mountainous. c) contour lines that are close together mean that the elevation of the land is low. d) contour lines that are close together mean that the elevation of the land is steep.