Answer
In response to your friend's remark about not having to worry about another major flood in their lifetime, you would explain that the term "100-year flood" does not mean that such an event will occur only once in a century. Instead, it refers to the statistical probability of a flood of that magnitude occurring in any given year. A "100-year flood" has a 1% chance of happening in any year, but it could potentially occur more frequently, even in back-to-back years. Floods are natural events influenced by various factors, including weather patterns, land use changes, and climate variations. It is essential to be prepared and have flood mitigation measures in place to reduce the impact of future flood events, regardless of their statistical rarity.
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