Final answer:
Traditional tempera paint consists of pigments mixed with egg yolk, which acts as a binder. The egg yolk holds the pigments together and allows them to adhere to the surface.
Step-by-step explanation:
Traditional tempera paint consists of pigments mixed with egg yolk which acts as a binder. Egg tempera paint is a mixture of egg yolk, water, and mineral pigments. The egg yolk acts as a binder, holding the pigments together and allowing them to adhere to the surface.