What new kind of pottery appeared during the tang dynasty?

kaifeng
copper
porcelain
ceramic

The correct answer is "C".

Porcelain originated in China. Although the first attempts of making pottery with a material similar to porcelain date back to the Shang Dynasty (1600-1046 BC), it was in the Tang Dynasty (618 - 907 AD) that the material was standardized and massively adopted by Chinese Artisans. Products made from Porcelain were in part exported to the Islamic World, where the valuation for them was high.

i believe its the indians