Once answer could be that the land between the Tigris and Euphrates Rivers was very fertile. That place is referred to as the "Fertile Crescent" after all.
However, his psychology instructor explained to him that correlation does not mean causation. this means that exercising doesn't necessarily cause him to sleep longer. Other variables can be contributing to sleeping longer
Consideration is like when a person condsiders others feelings and they don't say rude things to that person
Answer is the reinforcement because it’s the only right choice