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.
This contamination now allow the virus to move into another living medium (the one who actually ate the potato).
After the virus enter the eater's body, it will start to reproduce itself and caused several symtoms during the period where the antbodies inside the host's body is fighting it.
Answer:To be a polygon, a flat, closed shape must use only line segments to create its sides. So a circle or any shape that has a curve is not a polygon.
Explanation:
Tennis helps with coordination. If that isn't one of the choices, let me know in a comment what the options are.
