Yeah, obviously need the first that that will kill you. We take breathable air for granted. But if you need an infinite supply of clean air, you are probably dead anyway.
An infinite supply of water has many uses beyond drinking and hygine – irrigation, power, and cooling come to mind as very useful post-apocalypse.
Yeah, obviously need the first that that will kill you. We take breathable air for granted. But if you need an infinite supply of clean air, you are probably dead anyway. An infinite supply of water has many uses beyond drinking and hygine – irrigation, power, and cooling come to mind as very useful post-apocalypse.