Divide the indicated substances into simple and complex: N2, NO, 03, AlClg, Na2S04, FeCl2, Ca, Cl2, KMn04, P

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.