Hello there
A contour line is a line on a map joining points of equal height above or below sea level.
^Hope this helps
maybe technology but i think you should list the following themes
Answer:
The five basic kinds of lines are curved, Vertical, horizontal, zigzag and diagonal.
Explanation:
Amongst all these kinds of lines curved lines change the direction gradually to create circular forms, curves and spirals. At the same time, Diagonal lines change the direction suddenly.
The rest three do not change direction due to their linear movement.