Final answer:
In scientific and technical texts, graphics may provide concepts or information not found in the accompanying text.
Step-by-step explanation:
The statement that is true about graphics in scientific and technical texts is option D: Concepts or information that appear in the graphic may not always appear in the text. In scientific and technical texts, graphics such as charts, diagrams, and illustrations are often used to visually represent complex information. These graphics can provide additional insights or details that may not be explicitly mentioned in the accompanying text. Therefore, it is important for readers to pay attention to both the text and the graphics to gain a comprehensive understanding of the information being presented.
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