Probably because their surroundings were different so different art
I'm guessing true it depends who is looking at the art work
Answer: Copper plate
Explanation:
A copper plate is used in printing technology and the process that uses this kind of plate is called Copper plating. In that process, there is a plating of a layer of copper on the surface.
Nickel-plated copper is used for applications that are having high thermal demands because they are increasing that metal's temperature.
Metals that can be used in this process of electroplating are <u>copper, zinc, platinum and stainless steel. </u>
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I think its C. sorry if I am wrong