Question

Flash flooding is most likely to occur when heavy rain falls on

Answer 1

Super dry flatlands it will flood on any flat land but it's more likely to do it on super dry like Arizona or New Mexico because they've been dry so long they don't have time to soak up all the water fast enough in turn it floods.

Answer 2

Flat land because it has no slope for the water to travel down or no drains for it to drain in