Examlex
Find the standard form of the complex number shown below.
Eon
The largest division of the geologic time scale; eons are divided into eras.
Mass Extinction
An event in which a significant, global decrease in the diversity and abundance of life occurs in a relatively short period of geological time.
Cretaceous Period
The geological time period between 145 and 66 million years ago, the last period of the Mesozoic Era, known for the extinction of dinosaurs and rise of flowering plants.
Pleistocene Epoch
A geological timeframe that lasted from about 2.6 million to 11,700 years ago, characterized by multiple ice ages and the evolution of modern humans.
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