3 ms·
The atmospheric CO2 levels were considerably higher back then. https://phys.org/news/2011-04-araucarias-gauge-ancient-carbon-dioxide.html https://phys.org/news
by briantakita 8y ago
The atmospheric CO2 levels were considerably higher back then.
https://phys.org/news/2011-04-araucarias-gauge-ancient-carbon-dioxide.html https://phys.org/news/2011-04-araucarias-gauge-ancient-carbo...
https://www.sciencedaily.com/releases/2017/11/171127152109.htm https://www.sciencedaily.com/releases/2017/11/171127152109.h...
- charlesism 8y agoOdd that so many forms of life were a bit larger in the distant past. I gather physicists are sure that gravitational G is a constant (as opposed to a variable). I wish I'd studied more physics so I could evaluate how silly an explanation that would be.