D. State whether the set is a finite set, an infinite set, or an empty set.
1. The set of all people in the world
2. The set of all women who are over 100 years old
3. The set of points on a segment 3 cm long
4. The set of all people who are 20 ft tall 5. The set of circles that have a point O as center
6. The set of whole numbers between 0 and 1
7. The set of all squares
8. The set of stars in the universe​