Across
- 2. a period of time in which a ruler is in power
- 4. a person who has authority from a ruling power to carry out a specific duty
- 6. a South American mammal valued for its long, woolly coat
- 7. a person who uses science and math to design useful objects or buildings
- 9. a large area of high, flat ground
- 10. an ancient book with handwritten pages or parts
- 11. a group of countries or territories under the control of one government or one ruler
- 13. a chair attached to two beams and carried on the shoulders of several people
- 14. a South American mammal valued for its endurance, woolly coat, and meat
- 15. moving around often, usually in search of food and water; not settled in one place
- 17. a person whose job is copying written information
- 18. a raised road built over water to connect an island to a mainland
- 19. the public works system that includes roads, bridges, irrigation, public transportation, etc.
- 20. a picture or drawing that stands for a word or phrase
Down
- 1. the presence of many different kinds of landforms, waterways, or other geographic features in a region
- 3. a channel dug by people, used by boats or for irrigation
- 5. a material used in building that is soft at first but then gets hard and rocklike
- 8. the landforms of a piece of land
- 10. a count of the number of people living in a certain area
- 12. the ruler of an empire
- 16. a flat piece of land carved out of the side of a mountain or hill
