Texture is the feel, appearance, or consistency of a surface. Artists use texture to add depth, interest, or balance to different areas of their artwork. ... Use of rough and smooth texture can help craft an artist's vision. Related to using texture for adding interest, it can also be used for balancing out compositions.Nov 5, 2018
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.