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.
Answer:
Thats when a man ejaculates.
A way of responding to disrespectful behaviours is to take a deep breath and walk away. By doing this, YOU stay in self-control. It helps you practice self-control because it stops you from fighting, and keeps you in control, it can also develop good habits for bad situations.