what kind of extinction is geological transformation
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A mass extinction is usually defined as a loss of about three quarters of all species in existence across the entire Earth over a “short” geological period of time. Given the vast amount of time since life first evolved on the planet, “short” is defined as anything less than 2.8 million years.
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the spieces which lived in the earth before centuries and centuries ago there dead body dissolve in the soil for new birth.
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