Respuesta :

point of reference - an indicator that orients you generally; "it is used as a reference for comparing the heating and the electrical energy involved"
Db77

Answer: A. A position from which to measure future distance.

Explanation: It should be the answer, because my notes say that a reference point is a location or object used for comparison to determine another location (purpose: to establish a point from which to measure future distance, or if movement has occurred).

Hope this helped. :)

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