Answer:
population education is an exploration of knowledge and attitude about population, the family.
Environment education is the process that allow individual to explore environmental issues, and take action to improve the environment
That is because there must be perfect equalibrium between the body. It's like the fosbury flop, which was a why of high jumping that would allow high jumpers to "cheat" physics and leave equalibrium for short periods of time. If something goes up, something else must go down, this is a general rule becuase if it isn't true you would start floating out of the water