Give the corresponding world for the following definitions. 1. ... — to make up
2. ... — a person who lives in a town or county
3. ... — a line separating two countries
4. ... — a narrow passage of water connecting two seas
5. ... — a mountainous country
6. ... — a river which flows into another river
7. ... — a starting point of a river
8. ... — a stretch of water joining two seas
9. ... — a chain of mountains