1. What are the two classification of economics? 2. The three Elements of Human Economic Activity? 3. What are the tools of Economics each 5. Four Step in Construction of Economic Theory? 6. The two division of Economics 7. Best-known economic Model. 8. Three types of Economic system.Identification the term or concepts being referred to the following: 1. The study of how society allocates the scarce resources to satisfied as many wants as possible. 2. It depicts the relationships between independent and dependent variable. 3. A factor on which quantity can be changed or measured. 4. The process of directing and determining relationships among variables. 5. Model/s that consistently predict/s broad of real world phenomena. 6. Interventions or courses of action taken to manipulate the result of the economic activity. 7. A question of the types of goods society desires. 8. The market to which the producers will sell their products. 9. A state in which there is a balance two opposing forces. 10. The diagram of economic activity