11-15. Anong natatanging ambag ng Imperyong Romano na sa iyong palagay ang mas nakatulong sa pag linang ng kanilang kabihasnan?

What exactly do you mean 

H=   2(area/a+b)h= 2(144/a+b)h= 2(144/18+18)h= 2(144/36)h= 2(4)h=8

D. a mountain abd are made by volcanos and tectonic plates

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.