Question

A contour or contour line is a joining -
a. points have the same elevation,
b. a set of points having different elevation,
c. a set of equidistant points having different elevation,
d. joining points of traversed survey​

Answer 1

Answer:

Option a

Explanation:

Contour lines are used to show the elevation level on maps. Especially they are used to determine the elevation of a place with respect to the sea level. The lower heights have big contour lines and the top most spots have small contour lines.