Based on the topographic map at the left, if a person wants to travel on level ground as much as possible, which would be the easiest path between points A and B?
A contour line is a line passing through points with the same altitude above sea level. A steep slope is represented by closely spaced contour lines; widely spaced contour lines show a more gradual incline. A topographic map displays these contour lines and helps outline the shape of the landscape...