What was the cause of flooding in the 1993 upper Mississippi River flood?
A) Heavy snowmelt in Canada sent large volumes of water down the river in the spring.
B) A dam failed because it had been built in a risky place near a fault.
C) Persistent thunderstorms caused large amounts of rainfall over a several-state region.
D) Winter produced rain that melted snow that was on the ground.

Question

Quizplus · Accepted Answer

The 1993 upper Mississippi River flood was primarily caused by persistent thunderstorms that produced large amounts of rainfall over a several-state region, leading to widespread flooding.

What Was the Cause of Flooding in the 1993 Upper