Question

the text describes a major problem affecting a significant number of dams throughout the united states. what is this problem? a many dams are built with a thicker core of impermeable clay. b many dams need to be upgraded but funding and inspection staffing is limited. c many dams are strengthened by zones of compacted material. d many dams are built in areas with lots of storms, and are likely to overflow

Explanation:

The text mentions that many dams need upgrades but face limitations in funding and inspection - staffing, indicating these are the main issues affecting them.

Answer:

B. Many dams need to be upgraded but funding and inspection staffing is limited.