Why were western early medieval artists not concerned with depth of proportion?

According to the article in wiki answer, digital communication systems have more benefits than analog systems. they are faster and more flexible, and they offer better performance than analog communication

How did shawn mendes change the world? (need this for biography homework❤)

Acurator decides to display an eighteenth-century painting in a windowless room with controlled temperature and humidity. pick the answer that best describes the reasons for her choice: (1 point) 1)the curator wants to make sure that the temperature and humidity are comfortable for visitors. 2)keeping the temperature and humidity at a set level will save money. 3)the ultraviolet rays will damage the painting by fading and flaking the paint. 4)ultraviolet rays will fade the paint pigment and high temperature and humidity will damage the paint.