I would say that <u>a deadly water-borne microorganism in a city's water source</u> would most quickly devastate a human population, merely because a huge number of people uses this water for some kind of a purpose.
I chew on ice if its not that bad it works fro me but try diy ways
Explanation:
the answer to your question is you're probably hungry or just need to go to the bathroom
Sshesssbb
i’m going into noght