A datum represents
A)a reference surface used in computing coordinates.
B)a zero point from which to calculate elevations.
C)the origin point for longitude measurements.
D)the curvature of Earth,used in computing latitude and longitude.

Question

Quizplus · Accepted Answer

A datum is a reference surface used in computing coordinates, such as longitude and latitude. It serves as the starting point for measurements and is essential in accurately determining locations on a map or in a geographic information system (GIS).

A Datum Represents