11.0k views
2 votes
During the late 19th century, what type of building structure became popular?

a.
Underground Structures
c.
Duplexes
b.
Skyscraper
d.
None of the above

1 Answer

3 votes

Answer:

b

Step-by-step explanation:

also the letters are out of order

User Nate Norris
by
4.2k points