How is the economy changing in the Rust Belt?

How do convection currents form underwater mountains?

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 border separates sonora and chihuahua national border state border physical boundary natural boundary