I can only answer some, but you'll have to answer the others. I already answered the 1st and 2nd question previously.
6. What is pigment?
It is basically another word for color. Having a move fancy definition though: a pigment is the natural color of an animal or plant tissue
8. What are the three primary colors?
Red, Yellow, and Blue
9. Why is violet called a secondary color?
Secondary colors are created mixing primary colors. Since red and blue make violet, it makes violet a secondary color.
I hope this helped you! If you need any more help, please ask me.
