Question

How often does a 100 year flood happen

Answer 1

Every 100 years

Step-by-step explanation:

The 100 year flood is called a "100" year flood because it happens every 100 years!

Hope this Helps!

Answer 2

neverThe 100 year flood is called a "100" year flood because it happens every 100 years!

Step-by-step explanation:

b/c it doset happen it rare