Answer:
Four sentences that have appositives can be:
The Sirius, a distant star, has its own star cluster.
I met that scientist, Andrea Ghez, when i was teaching at that school.
Once, while analyzing data with Michael, my best friend, we discovered a new asteroid.
The constellation that spans 240-270th degrees of the zodiac, Sagittarius, is is the ninth astrological sign.
Explanation:
