Among the major achievements of the Shang were the development of a written language and the A. building of the Great Wall.
B. introduction of metal coins.
C. invention of the seismometer.
D. development of bronze metalworking

D. development of bronze metalworking

Explanation:

the product of the pressure and volume is also constant

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.