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But the water someone plucked out of desert air and drank doesn't poof out of existence. They'll eventually pee and sweat it out.
by grishka 4y ago
But the water someone plucked out of desert air and drank doesn't poof out of existence. They'll eventually pee and sweat it out.
- a1369209993 4y ago> They'll eventually pee and sweat [the water] out. It's infuriatingly hard to find good citations, but I think they actually mostly breathe it out. IIRC, the water breakdown for some (spacecraft) life support system was something like 50% from respiration, 30% in urine, 10% in sweat, and 10% in feces.