Between 1950 and 2000, the number of independent states

remained the same
increased slightly
decreased slightly
increased significantly
decreased significantly

The physical processes that create most of earth's physical features, including mountains, are known as

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.

What benefits does this type of farming have?