The second section presents the views andassumptions of realism in conducting research in social science. The main realistic attacks onlogical positivism approach are presented in the third section and the conclusion is given in thefourth section.
Water is considered 'the' universal solvent because more materials are dissolved by it than by any other solvent but it will not dissolve non-polar substances like oil.
Water is the safest solvent in the nail industry. In fact, water is called the universal solvent because it dissolves more things than any other known substance. But if water dissolved nail polish, the nail industry would be dead. The second safest solvent used in salons is acetone. That's why it is sold for this purpose. It is true that there are much faster acting solvents, but they are not safe enough for use in the salon or the home.