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已读[381] 发布: 2013/07/03 23:58:48
The Star Democrat But the brackish water which is more saline than fresh water, but less saline than seawater deposits salt and other chemicals that remain in the soil for years. The water leaves behind sulfate , which oxygen-starved bacteria process into sulfide , a ...
已读[363] 发布: 2013/05/03 17:10:35
National Geographic To digest those Gunflintia sheaths, the feeding bacteria would have had to use oxygen atoms taken from salts , or " sulfates ," in seawater. In the process, the microbes formed gaseous carbon dioxide, which would have been released into the atmosphere. and more »
已读[368] 发布: 2013/05/02 17:45:34
Discovery News “In fact we've all experienced modern bacteria feeding in this way as that's where that 'rotten egg' whiff of hydrogen sulfide comes from in a blocked drain. So, rather ... is some 50 m. below sea level. The sulphur and salt -rich waters are colored ... and more »
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