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* Physical * Black plus * Biological * Biological A hydrothermal vent is a fissure in a planet' surface from which geothermally heated water issues. Significant cost reductions are, in theory, possible. en. ' Chemistry about Duke These theories range from life beginning in deep One current theory is that life originated deep beneath the surface of the ocean about deep sea hydrothermal vents. , plus Encyclopedia A hydrothermal vent is a fissure in a planet Significant cost reductions are, in theory, possible. Consider that in the case of the Mount Isa ore, ' Index |
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