Isaiah was the 8th-century BC Israelite prophet after whom the Book of Isaiah is named.
The answer is option 3: A technique for making porcelain was perfected.
The art of making porcelain prospered in both periods. A lot of innovations were made in forms, glazes, decorative techniques methods of production and kiln technology.
During the Tang Dynasty, porcelain kilns were constructed all over the country and a type of vessel with molded decorations on it became very popular, which was made using an "upside down" and the coal was used as kiln fuel.
By the Song period, the manufacturing process was standardized (base-making, glazing, ingredient control, and temperature maintenance). In addition, the industry was divided into five types of kilns that had several features for glaze coloring and pattern design.
Modern scholars believe the Iliad and the Odyssey are based on oral legends, but the epics are often attributed to a storyteller named Homer. We have only a few clues about who Homer might have been. Herodotus was a Greek writer who lived in the fifth century before the Common Er
With the above article, you should take into consideration the bias. The correct answer is D.
