What differenciates a good piece of art from a bad one?

What are some of the purposes of christian art

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.

This example of eqyptian tomb decoration. answer the following what type of sculpture is this tomb decoration? why was this type of sculpture common among egyptian tombs? what is the title of the sculpture