Most likely during the Precambrian, Cretaceous PERIOD
rocky mountains r in the west appalation mountains r in the east
The Rocky Mountains?
Rocky Mountains
Rocky Mountains
Both the Rocky mountains and the Appalachian mountains are in the United States of America! The Rocky mountains are more rigid and ROCKY, and the Appalachian mountains are old and rounded. I have recently studied these ranges, and I hope that this helps you! :)
Rocky Mountains
The basin & range
reverse fault
The Rocky Mountains are taller than Appalachian Mountains and has sharp pointy peaks. The Rocky Mountains are taller.They Both have eroded. The Appalachian Mountains are older and shorter than rocky mountains.
Rocky Mountain High is the title of a song sung by John Denver. The Rocky Mountains begin with R.
The Rocky Mountains are in Canada.We will climb the rocky mountains this week.
the rocky mountains are higher because the rocky are 14,400 and the appalachian is 3,000