Approximately how many years does the Earth's geologic time scale span?

asked Sep 21, 2017 197k views

2 votes

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3 votes

Answer: 4.6 billion years

Step-by-step explanation:

Leonfs answered Sep 23, 2017

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5 votes

about 4.5 billion years to 544 million years

Ebilgin answered Sep 28, 2017

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