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Q&A Is a world with two different types of air possible?

Is it possible to have a world that meets the following conditions? "¢ There are two types of air (in term of its gas mixture) "¢ Each type of air has its own creatures which cannot survive i...

15 answers  ·  posted 8y ago by Aureus‭  ·  last activity 8y ago by Aureus‭

Question environment atmosphere