Ordinary Matter Only Contains Which Generation(s) of Quarks

question 34

Multiple Choice

Ordinary matter only contains which generation(s) of quarks?

• A) I
• B) II
• C) III
• D) I and II
• E) I, II, and III

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Definitions:

Extinctions

The end of an organism or group of organisms, typically a species, resulting in its disappearance from the Earth.

Turnovers

Events in ecological or evolutionary contexts where one species or group of species is replaced by another in a habitat, often due to environmental changes.

Cambrian Period

A geological era approximately 541 million years ago, marked by a rapid diversification of life forms and the appearance of many major groups of animals.

Evolutionary Faunas

Groups of animals that share a common evolutionary history and are identified in the fossil record over large geographical areas and timelines.