(April 5, 2021 at 10:01 am)polymath257 Wrote:(April 5, 2021 at 9:58 am)Fireball Wrote: Well, SiO₂ lies on the...ground, and CO₂ floats. Try inhaling SiO₂. At least one can exhale CO₂ easily.
Why do you assume oxygen would be involved?
or that the SiO2 wouldn't be the equivalent of poop?
A friend of mine told me that only on Earth is there high concentration of phosphorus, no where else, which gives credence to the Rare Earth hypothesis. I didn't believe him, but who knows; might be an answer to the Fermi Paradox.
