Answer:
Art conservators have to know chemistry so that they know how to best protect the art and how to not ruin it. Art conservators have to know art history for the same reason. the music of the classical period was often written to be more accessible and enjoyable for all people, rather than just the wealthy.
Explanation:
Well Rembrandt built up colors and textures in his paintings through the use of layering (also sometimes used multi-layers) and also some of the paintings were thick, he used a strategy called "IMPASTO"
Do i have to answer this because i believe i deserve a break today