SORU: cümleler sırasıyla okunduğunda anlam bütünlüğünü bozan cümleyi bulunuz
(I) Economics is a social science that makes use of the same methods as such other sciences as biology, physics and chemistry. (II) Like these other sciences, it makes use of models or theories. (III) Economic models or theories are simplified representations of the real world. (IV) This is only one reason why economic theory has changed substantially over the years. (V) We use them to help us to understand explain and predict economic phenomena in the real world.