Re: NANFA-L-- Killer rain?

Jerry Baker (nanfa at
Fri, 02 Sep 2005 17:18:22 -0700

geoffrey kimber wrote:
> I have to really wonder about the low O2 theory - the atmosphere is
> 20,000 ppm oxygen, and raindrops are pretty small, even at their
> largest. I think there is plenty of time for oxygen to diffuse into
> the drop as it nears the ground.

O2 and CO2 are independent of each other. You could have 500,000ppm O2.
As soon as CO2 levels start approaching that in the fish's blood, there
is no longer a concentration gradient across the gill membrane. That
means that the CO2 cannot be driven from their blood and they suffocate.
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