What impact did the Tang and Song dynasties have on science and technology in Chinese society? Explain your answer.

A huge influence on the modern world we live in today is the song dynasty from inventions such as gunpowder, porcelain, creative work, and the compass

Explanation:

200 BC, 100 AD, 1000 BCE, 1500, CE, 2012 CE.
I don’t know if this is right.
BC means before Christ, AD means after Christ’s death, BCE means before common era, CE means common era. So I would think, with that context, this would be right. But what do I know. Sorry, it’s all the help I can give.