Which one of the following begins with the formation of the Earth?Group of answer choicesAbajozoicCenozoicCryptozoicMesozoicPaleozoicPhanerozoicPrecambrianProterozoic
Question
Which one of the following begins with the formation of the Earth?Group of answer choicesAbajozoicCenozoicCryptozoicMesozoicPaleozoicPhanerozoicPrecambrianProterozoic
Solution
The formation of the Earth begins with the Precambrian era. This era spans from the formation of Earth about 4.6 billion years ago to the beginning of the Cambrian Period, about 541 million years ago. It is the longest of all the geologic eras.
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