[OGD] Atmospheric carbon dioxide

 Since the source of atmospheric oxygen is conversion of carbon dioxide to oxygen by plants, the sum of oxygen + carbon dioxide remains constant.   It is hard to comprehend how oxygen levels could have ever been much higher than at present. The present steady state level of carbon dioxid

[OGD] Epidendrum magnoliae Muhl. in South Georgia (US)

"BROXTON, Ga. A rock outcropping in south Georgia's sandy, coastal plain... the Broxton Rocks... Botanists have come from all over the United States to study the rocks' 530 plant species, some of them threatened or endangered... fractured sandstone rocks along a secluded four-mile stretch of R

[OGD] Fear of rejection

> my posts were rejected without explanation. Bert I received a similar rejection. I sent an email to Kenneth without reply so I'd say he is on a mission or holidays. However, what I found was that my webmail was directing my posts to [EMAIL PROTECTED] Solution: make sure the "To:" address