I think the sentence that uses correct capitalization is the first one.
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:
1. A many short simple sentences...
2. A a beautiful flow...
3. B mainly simple words...
4.A light and airy...
The superlative (or highest) form of small is smallest.
Answer:
Emigrate
Explanation:
It's spelled as immigrate.