A flash flood is a flood that
a) is caused by heavy rain rather than from the flooding of a river
b) occurs in urban areas
c. occurs suddenly and unexpectedly and for a short duration
d. is caused by the blocking of drains.
a) is caused by heavy rain rather than from the flooding of a river
b) occurs in urban areas
c. occurs suddenly and unexpectedly and for a short duration
d. is caused by the blocking of drains.