The figure above shows the geological times scale. Life has existed for of the Earth's history.
A)about 1/2
B)about 1/4
C)about 9/10
D)all

Name: The figure above shows the geological times scale. Life has existed for of the Earth's history. A)about 1/2 B)about 1/4 C)about 9/10 D)all
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Life has existed for about 9/10 of Earth's history, starting with simple organisms approximately 3.5 to 3.8 billion years ago, in the Archean Eon.

The Figure Above Shows the Geological Times Scale