Posted by arthur p bloom on Friday, August 27, 2004 at 1:53PM :
In Reply to: Re: Junk Science..... posted by Todd Wilson on Friday, August 27, 2004 at 10:03AM :
They emit CO2 when they are in the day-time photo-synthesis mode, but go to sleep when the sun is not out, and take the CO2 back in...er something like that. It's been 45 years since I studied that chapter in the Biology book.