To construct an isoline on a map it is necessary to ________.
A) make the map both equivalent and conformal
B) note the magnetic declination
C) color it purple
D) first draw the line on a globe
E) interpolate between points of known value

Question

Quizplus · Accepted Answer

Isolines are lines connecting points of equal value, such as contour lines on a topographic map or isobar lines on a weather map. To construct these lines, it is necessary to interpolate between points of known value in order to determine where the isolines would fall.

To Construct an Isoline on a Map It Is Necessary