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Q&A How many plants does it take to breathe?

I'm working on a space story in which an astronaut is travelling to Neptune to validate our CurrentEarth™ corporation's findings regarding our Solar System. The setting is a moving ship similar to ...

3 answers  ·  posted 8y ago by Anoplexian - Reinstate Monica‭  ·  last activity 7y ago by Anoplexian - Reinstate Monica‭

Question space spaceships flora ships science-fiction