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Old 13-07-2015, 06:08 AM
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yusufcam (Colin)
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Join Date: Mar 2010
Location: Sydney
Posts: 123
thanks for that response atmos...

its interesting to ponder what on a planet may have existed in the original protoplanetary disk and what might have been created through geological and biological processes.

for example its believed that most of the oxygen in the atmosphere on earth was created by huge volumes of simple celluar life forms very early in the development of life here.

once again taa!
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