I think it is the 3rd dimension
Answer:
A. digital use and C. web use
Explanation:
RGB is best suited for digital/online/web use, while CMYK is better fit for physical prints.
Not sure who helped make painting on canvas a common practice but around the end of the 15th century, canvas<span> became more popular as it was cheaper, easier to transport, allowed larger works, and did not require complicated preliminary layers of </span>gesso.