The Precambrian Period is by far the longest geological period in Earth's history. On a time scale this period would amount to almost 90% of our planet's history, or approximately, 4 billion years of the Earth's 4.8 billi...read more
The Precambrian Period is the first geologic time period of the earth. The earth took form about 4.5 billion years ago. For the first 4 billion years of that time, the Earth was growing and changing. During the Precambrian...read more
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