Re:Carbon dioxide levels in atmosphere hit record high in May
by yongjik on Friday June 07, 2019 @01:59AM
(#20121997)
You cannot put air at 2 km and then at 20 km high! Of course the second layer will just flow down until it's supported by the first layer, which is in turn supported by the ground. So your question doesn't really make physical sense.
[ Parent
| on HN ]