Mercury orbits the Sun closer than any other planet in the Solar System, so youâd think that the temperature of Mercury is hot, and hotter. Youâd be right. The side of Mercury facing the Sun can reach 700 Kelvin, or 426 degrees Celsius.
Such problem children can make other children less likely to cooperate, which ultimately sabotages the entire enterprise. The strain on society of enforcing compulsory education must also be considered. Maintaining societal mechanisms necessary to ensure compliance requires no small amount of resources.
For example: The prerequisite for a first year university-level science course might require that you have already taken a grade 12 Chemistry or Biology class. Or: The prerequisite for a third year university-level Spanish course might require that you have already taken a first and second year level Spanish course. Why are prerequisites important? Prerequisites are a way of making sure that students, like you, enter into a course or subject with some prior knowledge.