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Water recycles itself naturally. I'd be more curious to know how the oxygen converts back to carbon dioxide.
by mark-r 12y ago
Water recycles itself naturally. I'd be more curious to know how the oxygen converts back to carbon dioxide.
- hellbreakslose 12y agowell I agree but I just can't believe anything like that nowadays... If you want people to believe that the bottle is sealed since 1972 then prove it as well. Not just a photo of a giant bottle with some plants in it.
- ramchip 12y agoRespiration. Microorganisms use oxygen, and so does the plant when it's not under sunlight.