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Home Q & A Board Science-Related Homework Help Physics Astronomy
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lulalu lulalu
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5 years ago
The figure above shows the geological times scale. Humans have existed for approximately ________ of the Earth's history.
A) 50%      B) 0.1 %      C) 1 %      D) 10 %
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The Essential Cosmic Perspective

The Essential Cosmic Perspective


Edition: 7th
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a_sabu2a_sabu2
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5 years ago
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lulalu Author
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5 years ago
You make an excellent tutor!
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Thanks
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