Why do a Chinese brush painting is meant to not be "corrected ” if a mistake was made in the artwork ?

Which is a good guideline to follow when evaluating art

Organum was first developed by religious singers adding another melody directly above the chant and mirroring the chant line. true false

Choose the statement that best describes why textiles should not be exposed to ultraviolet rays a. ultraviolet rays fade the colors in the fabric b. ultraviolet rays will ignite the threads c. ultraviolet rays fade and weaken the fabric d. ultraviolet rays will weaken the fabric