D. Human population increased significantly in a short period of time
I think this would be behaviorism
25.
26.
27. chemical bond
28.compound
29.Mixture
30.Molecule
Babylonia had a number of rulers, but I think the one you mean, the one that is particularly know for the laws was Hammurabi (who lived in 18th and 17th century BC). The law is known as the Code of Hammurabi.