Copernicus should be the topic, and the central idea should be how he came up with the heliocentric theory. I hope I helped, please tell me if I am incorrect or if you need more help!
Answer:
Past Tense Verbs
Explanation:
Past
Past tense verbs end in -ed
Examples: watched, stopped, made
Answer:
He is setting the stage for a flashback into fred Collins children
