Answer:
Great Astronomers is an informational text with narrative elements woven into the structure. Compared to other expository texts, this excerpt has story-like qualities. For example, it includes details about the lives of famous astronomers like Ptolemy, Galileo, Kepler, and John Couch Adams.
The article on GIS is an informational text explaining the system and its functions. Like Great Astronomers, it is an expository text, but it is not story-like in nature. Instead, the text conveys information through clear, straightforward prose and an objective tone. The information is organized neatly in short paragraphs and has subheadings to introduce new ideas. The GIS article also includes maps and other diagrams that provide additional information about these systems.
Step-by-step explanation:
Sample answer on edmentum, you might put it in your own words