By looking. e.g. if there's a river between them.
Mountain ranges are generally defined by a series of connected peaks and ridges that form a continuous line. Geographical features such as valleys, rivers, or plains may separate one mountain range from another. Additionally, changes in elevation, geology, flora, or climate can also help distinguish between different mountain ranges.
The Appalachian National Scenic Trail is between Mount Katahdin, Maine, and Springer Mountain, Georgia.
The Appalachian Trail starts in Springer Mountain, Georgia and ends on Mount Katahdin in Maine. It spans a total of 14 states along the east coast of the United States.
The Nile River begins north of 45 north latitude in Africa and ends south of 30 north latitude where it empties into the Mediterranean Sea.
a political map
it states in California
Cascade Mts.
These are the Carpathian Mountains.
Alai
How can you tell where one square structure ends and another begins
I think it is MOSSIF as i have done a cross word where the part of a mountain range is MOSS_F so perhaps that is it? x
Appalachians
The Appalachian Mountains
in fall.
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A page break
The word impromptu begins with i and ends with u.
Adust spacing