They are two different breeds
Okay~ Then///////// Similarity: They are located in the west. Differences: Rocky mountain is sharp, rocky peaks, but the Appalachian mountain is older, lower, then Rockies or Sierra Neveda. Also, Rocky mountain is higher then the Appalachian Mountain.
rocky
Rocky Mountain is taller than Appalachian Mountain. But they are both the tallest mountains in North America
The Appalachian Mountains are a great deal older than the Rockies.
rocky mountain
The Rocky Mountains and the Appalachian Mountains are two prominent mountain ranges in the United States. The Rocky Mountains stretch from Canada to New Mexico, while the Appalachian Mountains run from Georgia to Maine.
rocky
Rocky mountains and Appalachian Mountains
It is because of the altitude. The Appalachian Mountains are shorter than the Rocky Mountains. The lower the moutain the warmer the mountain. The higher the mountain the colder the mountain. By J.O.B
* The Appalachian Mountain Range * Rocky Mountain Range
Appalachians
rocky I think