The central economic problem that all humans face is A shortage
B. scarcity
C. opportunity cost
D. the factors of production

Csaudi arabia and wish u us: )

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.