What facilitated trading for the mayans?

A. a knowledge of mining

B. the lowland river system

C. the volcanic highlands

D. the proximity to 2 oceans

How many feet above sea level was inca capital of cuzco built?

Which type of basaltic lava flow has a fairly smooth, unfragmented, ropy surface?

over the last 250 million years, the world changed from a single land mass to a number of different continents. One reason for the change is expanding ocean floors. What causes ocean floors to expand?

How has plate movement affected the region

Name the peninsula that separates the bering sea from the sea of okhotsk?

What force acts again capillary action as water moves through the ground

According the hardy-Weinberg principle which of the follow is most likely to disrupt genetic equilibrium

What is the impact of county government on the lives of citizens

How does earths orbit affect our climate

Describe some of the challenges facing farms and cities in China as a result of urbanization