Question

What is the Precambrian time A) 4 billion years between the first eon and the last won B) the first won C) the last eon D) the first three eons

Answer 1

Step-by-step explanation:

The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. The Precambrian Era comprises all of geologic time prior to 600 million years ago.