The answer is C. Ink is added to the engraved grooves.
Thanks for the free points and that’s a nice photo
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Answer:
A
Explanation:
They depended on optical illusions because they weren't able to generate the things we can (they didn't have computers and such)
-a canvas
-painting tools
-mixing palettes
-a multitude of color options
(I might be talking about the wrong thing if I am, I am so sorry!)