Answer :
Final answer:
The subject of this question is Social Studies, and it is asking about the type of sign that gives notice to road users. Temporary signs are orange with black lettering, and permanent signs are yellow with black lettering.
Explanation:
The subject of this question is Social Studies. The question is asking about the type of sign that gives notice to road users of a situation that might not be readily apparent. These signs are generally diamond-shaped and can be temporary or permanent. Temporary signs are orange with black lettering, while permanent signs are yellow with black lettering.
Learn more about road signs here:
https://brainly.com/question/3016269