1.
The "Rockies" as they are also known, pass through northern New Mexico and into Colorado, Wyoming, Idaho, and Montana. In Canada, the range stretches along the border of Alberta and British Columbia.
Mountains: Mount Elbert
2.
This divide runs from Cape Prince of Wales in western Alaska, through the Rocky Mountains of western Canada and the continental United States, then through the Sierra Madre Occidental mountains in Mexico, through Central America and along the Andes Mountains of South America.
3
im not too sure about this one