What role do illustrations play in Book 3-2?

The correct choice highlights the significant function of illustrations in Book 3-2, which is to support comprehension and engage visual learners. Illustrations in educational materials are not merely decorative; rather, they serve a crucial role in enhancing understanding. They help to clarify complex concepts, providing visual representations that can make information more accessible and memorable. For visual learners, illustrations can be particularly beneficial as they process and retain information better when it is presented alongside visual cues. Additionally, these visuals can stimulate interest and encourage interaction with the content, making the learning experience more engaging and effective. This multifaceted role underscores the importance of visual elements in educational texts, particularly in fostering a deeper understanding of the material at hand.