Lev Muishkin wrote:You are still wrong.
No. You are wrong and have nothing to contribute to this thread. So, please, look for another thread.
Humans can live without any natural environment, because they can live in an artificial environment, which is made by themselves. They can live on their own "absolute islands" - thus: without any natural environment.
Arminius wrote:The ISS is such an "absolute island". There is no natural environment inside the ISS, everything is human-made, thus artificial (cultural), even the air that the humans breathe. So the environment inside the ISS is an absolutely artificial (cultural) environment. The natural environment is completely outside the ISS. If there were a natural environment inside the ISS, then the humans who are inside the ISS would immediately die.
There are more than this human-made "islands", some are absolute, for example spaceships or the ISS, the others are relative, for example the atmospheric "islands":
If you live in an artificial environment like the ISS, the natural environment is even deadly for you. An astronaut is immediately dead after leaving the ISS (artificial environment) without any other artificial environment (at least the astronaut suit).