WONDER #1722: How Are Buildings Built?
Question 1 of 3
The primary problem any builder faces is keeping a building what?
Question 2 of 3
Most of a building consists of what?
- empty space
Question 3 of 3
The taller a building is, the deeper its what must be?
Check your answers online at https://wonderopolis.org/wonder/how-are-buildings-built.