The silk road was first used a. during the yuan dynasty b. under mongol rule c. during the han dynasty d. over 9,000 years ago

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.

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.