(03.03 LC) Use geographic terms and tools to explain why ancient civilizations developed networks of highways, waterways, and other transportation linkages. Which of the following did the Incas use to traverse mountain passes?

A) bridges
B) tunnels
C) highways
D) elevated roads

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions