Final answer:
One reason to use written communication to present complex information is to include visuals like charts and graphs to clarify and illustrate the data.
Step-by-step explanation:
One reason to use written communication to present complex information is that you may want to include charts, graphs, etc. These visual elements can help to clarify and illustrate the data, making it easier for the reader to understand. Visuals can also provide interesting and relevant support to your written content, such as maps, photographs, or other graphics. By including these visuals, you enhance your report and make it more engaging for the reader.