Examlex
The immune system remembers how to battle antigens from previous infections through the use of ______.
Stratified Societies
Societies characterized by a hierarchy of social classes, often determined by factors like wealth, occupation, and ancestry.
Dominant Classes
Social groups that hold primary power and wealth in a society, often determining policies and practices.
King Hammurabi
An ancient Babylonian ruler famous for creating one of the world's earliest and most comprehensive written legal codes, known as Hammurabi's Code, around 1754 BC.
Writing System
A set of visible or tactile signs used to represent units of language in a systematic way.
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