Since the continental crust density is the same, when both of them collide, there will gradually occur a huge mountain chain cause of the uplifting of the collision point and it's surrounding area, today known as the Himalayan mountains, the highest in the world (note: if measured from sea level) with it's peak Mount Everest (Sagarmatha) at 8848 m above sea level (it is estimated that it grows 8 cm per year).
The expansion of deeply buried rocks after they are exposed by erosion causes the formation of Fractures which reduce the strength of the rock.
Fractures along which rock has slipped relative to the other side are called faults, whereas fractures that are simple cracks where the rock has pulled apart by a small amount are joints. Any fracture or system of fractures along which Earth moves is known as a fault. Faults allow the blocks to move relative to each other which results to an earthquake.
When deeply buried rocks are uncovered by erosion, the removal of weight allows them to relax and expand. Produces fractures and increases in porosity. This stress-relaxation process reduces the strength of rocks, opening up passageways/storage places for water to attack and further weaken the rocks.
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The correct answer is the following.
When geographers refer to music as a cultural signifier, they mean that music is an important component of the identity and culture of humans. It is a cultural signifier because geographers can understand the culture of a region by studying the music, the lyrics that express history, traditions, and stories that help scholars to understand why some people in a society behave the way they behave.