Answer:
1. A university is a college where many subjects are studied.
2. Cable television, which was originally used to bring in distant stations, provides many types of specialized programming.
3.Juke boxes that used to play a song for a dime now cost much more.
4. Help came at a time when Stan needed it most.
5. John Chapman, who was nicknamed Johnny Appleseed, planted apple seeds in Ohio, Indiana, and Illinois.
6. Hummingbirds are tiny birds that are less than three inches long.
7. The Irish wolfhound, which is a hunting dog, is the tallest breed of the species.
8. The diver whose turn it was waved to the crowd.
9. Hurricanes are tropical cyclones that have wind speeds of up to 150 miles per hour.
10. Abraham Lincoln, who moved from Illinois to Washington, grew up in Kentucky.
11. The Arabian Nights is a collection of stories that have been passed down from one generation to the next.
12. Is Natalie the keyboard player whom you asked to join the band?
13. I need to edit this report that I am writing.
14. Many students who bring their lunches to school buy milk in the cafeteria.
15. Athens, which is the capital of Greece, is believed to have been named after Athena.
Step-by-step explanation:
The underlined phrases are the adjective clauses. They perform the job of describing the noun in each sentence. The word in BOLD would be the relative pronoun.