Respuesta :
The diamond shape is used exclusively for warning signs.
Which sign is a warning sign?
Diamond-shaped signs indicate warnings. Rectangular signs with a longer direction horizontal supply direction information. Pentagons characterize school zones.
The form of a diamond sign stands utilized only for warning signs (For example: cross the road ahead, end/begin divided road, merging traffic, curves, and construction warning signs).
Therefore, the correct answer is option C. Warning.
To learn more about warning signs
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