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Q&A What would kill all flora on Earth and what would happen with the atmosphere

I need an Earth where the atmosphere has become unbreathable for humans and animals because all plants have died. But everything else should stay pretty much the same. So here are my questions: ...

7 answers  ·  posted 7y ago by yado‭  ·  last activity 6y ago by yado‭

Question reality-check apocalypse flora