1930 to 1941...............
Ok so according to my calculations the answer is C.
A mid-ocean ridge is formed from lava. answer is lava
"The technology change the spiritual and intellectual lives of the Chinese under the Tang dynasty by improving it and making it easier. They were able to construct roads and waterways; commerce(paper,money, trade,etc.; gun powder; poetry; art; agriculture; porcelain."
Explanation:
