When DID "life" begin? (user search)
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  When DID "life" begin? (search mode)
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Author Topic: When DID "life" begin?  (Read 3039 times)
Meclazine for Israel
Meclazine
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Posts: 14,086
Australia


« on: February 13, 2017, 03:14:39 AM »
« edited: February 22, 2017, 09:56:18 AM by Meclazine »
For humans, 200,000 years ago.

For dinosaurs, 220 Ma

For fish, 530 Ma

For bacteria, 3.8 Ba
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Meclazine for Israel
Meclazine
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*****
Posts: 14,086
Australia


« Reply #1 on: February 14, 2017, 07:52:29 AM »
« Edited: February 21, 2017, 11:09:13 PM by Meclazine »

The Earth is 4.6 billion years old.

After billions of years of geological evolution of the Earth's crust, humans enter the equation in only the last 0.002% of the Earth's life.

The vast quantity of scientific literature on the history of the Earth provides a fascinating insight into what the world looked like when we were not around.
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