SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Eric who wrote (78286)7/13/2017 4:14:45 PM
From: Maurice Winn  Read Replies (1) | Respond to of 86356
 
Google has good references for you on that. Have a read. <<

How much CO2 and Methane was in the Earth's primitive atmosphere?

Not to mention the oceans then?
>>

Earth's atmosphere was very different a billion or two years ago. It has changed a LOT. Happily, it became habitable and plants invented the good trick of turning CO2 into plant food, while emitting loads of oxygen, which is very useful for living things other than plants.

Mqurice