Question

Define Reference point​

Answer 1

Answer:

A basis or standard for evaluation, assesment, or comparison; a criterion.

Answer 2

Explanation:

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A Reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. Object that are fixed relative to earth - such as a building, a tree , or a sign - make good reference point.

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