Examlex
Compare and contrast aggregate, category, and social group. Give examples of each.
Cretaceous
The geological period between about 145 and 66 million years ago, the last period of the Mesozoic Era, characterized by the dominance of dinosaurs and the first appearance of flowering plants.
Pleistocene
An epoch of the Quaternary period characterized by several glacial advances, extending from about 2.58 million to 11,700 years ago.
Triassic
A geologic period and system which lasted from about 252 to 201 million years ago, marking the beginning of the Mesozoic Era.
Carboniferous
A geologic period and system that occurred around 359 to 299 million years ago, known for its vast swamp forests and the formation of significant coal deposits.
Q6: What is the earliest explanation for the
Q34: The "iron law" of oligarchy is a
Q36: One of the first theorists to argue
Q38: Why is the mass media considered an
Q55: What region of the United States has
Q59: Define recidivism and identify the recidivism rate
Q66: Viewing bullfighting from its history, its folklore,
Q69: Because of her outstanding contributions to social
Q84: The sociologist who developed the concept of
Q105: What is the defining characteristic of a