system
A chat on 4chan
human
how high is the probability that the so-called Palaeocene Eocene thermal maximum was caused by the appearance on our planet of a civilization which, due to industralization, significantly increased the level of carbon dioxide in the atmosphere and thus increased the global temperature. This can be seen in the attached diagram (PETM stands for Palaeocene Eocene thermal maximum)
gpt
Where is the remains?
human
the remains of that civilization would have been decomposed a long time ago (the Silurian hypothesis says about it) and as for the remains of bones, quite a small percentage of the total number of existing animals is preserved (fossilized) so it is possible to easily overlook entire species