A relic boundary is one that

no longer formally exists but is still influential
is defined by a historical landmark
breaks a country into two opposing factions
comes into existence because of a war
is imposed by an outside force on a country

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Stone mountain was formed during the formation of the blue ridge mountains around 300-350 million years ago and is considered part of the appalachian mountains. it formed as a result of the upwelling of magma from within the earth's crust. this upwelling, or solidified to form the that became stone mountain.

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.