Across
- 1. a natural underground chamber in a hillside
- 5. sphere The realm of all living things
- 8. half the Earth's surface
- 11. a representation of land, rivers and etc.,
- 12. the envelope of gases surrounding the earth
- 13. An instrument used for navigation
Down
- 2. a sudden violent shaking of the ground
- 3. a natural watercourse
- 4. a big salt water body
- 6. subcontinental land that is surrounded by water
- 7. a book that has maps
- 9. Zero degrees latitude.
- 10. densely covered with trees