How did earth's crust get broken up into plates?

A

The zhou dynasty (1046-256 bce) was the longest-lasting of china's dynasties. it followed the shang dynasty (c. 1600-1046 bce) and it finished when the army of the state of qin captured the city of chengzhou in 256 bce.

Lol why dont you actually do the work instead of have people do it for you. jk i do it too lol