Hello my friends, I will tell you one of the importance decision wich I had ever made. It is about choosing specialization of subject in Senior High School. In generally, there are three choice of specialization, they are social, science, and language class. But, because my Senior High School only have two of them when I was there, so I will not explain about language class. In social class, I could get more conceptual subject, but in science class I could get many formula. In social class, I get the subject about the method of research, especially social reearch, but in science class I could get the method to do research too, but research about the substain in the food material, small green pea and spiral string. And if I took social class, I wouldn't have same class with my best friend (he chose science class). Instead of it I could get many friends there. Finally I had chose social class, because I thought it will be more benefit in the fut...