Answer :
Final answer:
Warning signs on roads are generally diamond shaped and warn drivers about hazards or special conditions ahead. . Option A
Explanation:
Option a) is correct, warning signs are generally diamond shaped. These signs warn drivers about special conditions or hazards ahead. Furthermore, option b) is incorrect. Warning signs do not tell drivers what they may or may not do. This is the purpose of regulatory signs which are often rectangular. Option c) is partially correct as warning signs are mostly yellow and black, but certain types, like stop and yield signs, are indeed red and white. Lastly, option d) is incorrect because green and white signs typically provide information about directions and distances.
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