There was little free and breathable oxygen then in either the "air" or water, for deducibly it was all chemically bound up with hydrogen in H2O or in the solid crust of the planet
Source: wiktionary
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There was little free and breathable oxygen then in either the "air" or water, for deducibly it was all chemically bound up with hydrogen in H2O or in the solid crust of the planet
Source: wiktionary