What is a linear mountain belt?

Answer 1

The Rockies are one example. It is like a raised spine on North America.

Answer 2

A linear mountain belt is a long and narrow region of elevated terrain that typically follows a linear or elongated trend. These mountain belts often form along tectonic plate boundaries where compressional forces lead to uplift and the formation of mountains. Examples include the Andes in South America and the Himalayas in Asia.