Final answer:
Tempera paint has been used for thousands of years and was extensively used in early Christianity. It is a paint medium that dries quickly and is known for its detail.
Step-by-step explanation:
Tempera paint has been used for thousands of years and was not developed in the early 20th century. It is a paint medium that combines pigment with an egg yolk binder and water. It dries quickly to a durable matte finish and is known for its detail. It was extensively used in early Christianity to paint religious icons and by artists like Duccio in the pre-Renaissance period.