Contour lines are lines that join places of equal height above sea level

Contour lines are represented by what colour?

Vertical interval is the difference in height between the top and bottom of a hill

A concave slope bulges outward

Contour lines that are close together indicate that the land is very steep

Contour lines that merge into one contour line indicate that this is an easy path for hikers to take.

Contour lines that are spaced wide apart indicate that the slope of the land is gentle or flat

The vertical interval shown in the diagram below is

A convex slope bulges outward

The feature shown below in the image is a

The diagram below shows a

The feature shown below in the image is a

What is the vertical interval in the diagram below

The diagram below shows a concave slope