What is a negative externality of a cell phone? an inability to use it in some places, such as tunnels a conversation that annoys people nearby its size it needs to be charged

How was classical persia's extensive network of roads important to its civilization?

The maps below show the middle east. which best explains how the green areas depicted in the image on the left are reflected in the population map on the right? populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers.

Principles of cultural identity have been used to justify conflict. true false