Answer:
A secondary color is made by mixing two primary colors. For instance, if you mix red and yellow, you get orange.
Explanation:
The answer is "3). It appears to have been created to mark the unification of Egypt."
It isn't 1, as the Palette of Narmer is an Egyptian artwork, not Sumerian.
It isn't 2, as it doesn't feature cuneiform, but hieroglyphs.
It isn't 4, as the art isn't Mesopotamian, but Egyptian.
The answer is b) musicians because they are the one that preform in public!