Geography

4. Relatively equal distances from their center to any boundary much like a circle.
5. The action or process of settling among and establishing control over the indigenous people of an area.
7. The removal of salt or other chemicals from something, such as seawater or soil.
9. The doctrine or belief that there is only one God.
10. A state that completely surrounds another state.
13. A source area, innovation center, a place of origin of a major culture.
14. based on historical population trends of two demographic characteristics.
15. Represents the breakdown of the population by gender and age at a given point in time.

1. Has several noncontiguous pieces of territory.
2. Founded in 1945 after the Second World War by 51 countries committed to maintaining international peace and security.
3. A natural feature of the earth's surface.
6. Almost or entirely surrounded by land; having no coastline or seaport.
8. The belief in or worship of more than one god.
11. A continental body consisting of the 55 member states that make up the countries of the African Continent.
12. The process by which fertile land, becomes desert.