Sexual and reproductive health education is really important in school so that way kids can learn how to avoid getting STD’s and all that. Often when schools poorly teach sexual and reproductive health education, students from that school end up having a poor knowledge on sex and reproduction and they’re more likely to end up having unplanned pregnancies and getting STD’s that could be very dangerous to health. They’re also more likely to be unaware of why they may be experiencing certain health issues from reproductive and sexual-related things.
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.