Question

what is scale?

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Answer 1

Answer:

The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. This simple concept is complicated by the curvature of the Earth's surface, which forces scale to vary across a map. Because of this variation, the concept of scale becomes meaningful in two distinct ways

Answer 2

Answer:

each of a small ,thin, hornry or bony plates

protecting the skin of a fish and reptiles

typically overlapping one another