| http://www.w3.org/ns/prov#value | - If a silicon-based life form were to respire using oxygen, as life on Earth does, it would possibly produce silicon dioxide as a by product of this, assuming that the only difference between the two types of life is the presence of silicon in place of carbon.Finally, of the varieties of molecules identified in the interstellar medium , 84 are based on carbon and 8 are based on silicon.
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