Correction lines, which occur at intervals in the rectangular survey system, are necessary
A) to correct the mistakes made by surveyors.
B) to allow for magnetic fields which interfere with compasses.
C) because of the curvature of the earth.
D) because of the gravitational pull of the moon.

Question

Quizplus · Accepted Answer

Correction lines are necessary because of the curvature of the earth.

Correction Lines, Which Occur at Intervals in the Rectangular Survey