Final Answer:
A DOT transportation placard for poison is white with a black lower half. Option D is the answer.
Step-by-step explanation:
The color and design of Department of Transportation (DOT) placards are standardized for easy recognition and communication of hazardous materials being transported. For poison, the correct option is (d) white with a black lower half. The upper portion is white, and the lower half is black, helping to distinguish the specific hazard associated with the material being transported.
This color scheme aids emergency responders and others in quickly identifying the potential danger. The uniformity of DOT placard colors and designs is essential for promoting safety and ensuring that individuals handling or responding to hazardous material incidents can easily recognize and appropriately address the potential risks.
Option D is the answer.