1. A type of atomospheric disturbance in which masses of air circulate rapidly?

2. A single distinguishing feature of regular occurence within a culture?

3. A large metropolitan complex formed by the coalescence of two urban areas?

4. The circulatory movement of rising warm air and descending cool air?

5. Nation?

6. A language developed from a pidgin to become the native tongue of society?

7. A nuclear area eithin an advanced and distinctive set of culture traits develops and form which there is diffusion of distinctive technologies and ways of life?

8. Any of several map projections based on the projection of the grid system onto a cone?

9. A region's profit potential for a productive activity compared to alternative areas of production of the same good?

10. An economic agriculture enterprise, where all living there share in the work load?