What term describes a map feature that is formed by gradicule tick marks and is defined by 2.5 minute tick marks?

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Multiple Choice

What term describes a map feature that is formed by gradicule tick marks and is defined by 2.5 minute tick marks?

Graticule describes the map feature formed by the grid of tick marks. It is the network of lines of latitude (parallels) and longitude (meridians) drawn on a map, with tick marks showing angular minutes. When you have 2.5-minute tick marks, that means the grid is subdivided into small minute intervals, giving a precise positioning system on the map. A sector is just a wedge-shaped region, not a grid feature, and the individual lines themselves are the parallels and meridians, while the graticule is the complete grid they form.

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