Final answer:
Tempera paint was mixed with egg yolk, water, and mineral pigments to create a quick-drying paint with bright colors.
Explanation:
Tempera paint was mixed with egg yolk, water, and mineral pigments. The egg yolk served as the binder, holding the pigment together to form the paint. Additionally, the white of the egg was occasionally added to the mixture. This combination created a paint that dried quickly and provided pure and bright colors.
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