The educational regions represent places where there's several universities and are usually located in an area further away from the big cities, usually as part of a small town, where the population of students outnumbers the population of the residents of the town itself, and also the student facilities are the biggest and most dominant institution.
into nitrate which is the most usable form of nitrogen in the soil. Nitrate is absorbed by the roots of the plants, from plants nitrogen reaches to animals when they eat plants.