DWQA Questions › Tag: intelligent life formsFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesIt has also been said elsewhere, that oxygen-based and CO2-based life are actually relatively rare in the galaxy, and that methane-based life is in fact more common. Is this true? And if it’s not true, why perpetuate such a lie?ClosedNicola asked 4 years ago • Extraterrestrial Interlopers320 views0 answers0 votes