Language on Iceland hasn't changed much since 1300s. The reason is simple. Iceland is located in the far northwest of Europe, not being connected with the rest of the continent. Therefore, it is practically impossible to discuss about any changes in culture, language, customs... during a long period of time. This isolationism formed a specific culture.
Culture is defined as a collection of customs and repetitive acts, the folk culture is a popular culture that differs in the patterns of origin, diffusion, and distribution and is being practiced by a small homogenous group that lives in isolated areas.
The popular culture is found in a larger heterogeneous societies that share certain customers despite other personal characteristics.
Globalization is negatively impacting the flock culture and holds positive for the popular culture, the disappearance of the folk art is due fall in the heritage values and customs.
The answer to this question is slate. Slates are homogenous
metamorphic rock that came from a sedimentary rock that was formed thru metamorphism.
Slates are rocks that are used as roofs and floorings because slates are considered
to be durable and because of the fine features of this rocks it is more
presentable.