Question

read this passage:
when basements and sewage systems become waterlogged, the steel beams that hold buildings aloft start to rust. this has been shown to cause buildings to collapse.
which term best describes the structure of the passage?
a. spatial
b. cause - and - effect
c. chronological
d. problem - solution

Explanation:

The passage first states a cause (waterlogged basements/sewage systems leading to steel beam rust) then its effect (building collapse), which matches the cause-and-effect structure.

Answer:

B. Cause-and-effect