They highlight the improvement to ham radio technology that occurred as the narrator grew older.
This is a possibility if the details about space and the Moon are used to contrast the narrator's childhood experiences with ham radio with the later advancements in technology. For example, if the narrator talks about how they used a simple crystal radio as a child, but now uses a more sophisticated ham radio setup, this could show how ham radio technology has evolved over time.
Option D is the most accurate interpretation of the main effect of sentence 8's details about space and the Moon. Highlighting the contrast between the narrator's early experiences with simpler ham radio technology and the advancements they witnessed later in life would effectively demonstrate the evolution of the technology.
What is the main effect of sentence 8's details about space and the Moon?
O They indicate the narrator's childhood fascination with human spaceflight.
O They reinforce the passage's scientific explanation of how radio communications work.
O They emphasize the great distances a message sent by ham radio can travel.
O They highlight the improvement to ham radio technology that occurred as the narrator grew older.