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What is the maximum number of hybridized orbitals that can be formed by afluorine atom?
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.
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