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> well-understood techniques presumably not so well understood on the moon or mars? Suddenly you have more, and more complex, variables with sustaining life.

• knodi123 4y ago
  they ARE the techniques used on the space station. https://www.space.com/space-station-algae-experiment-fresh-air.html https://www.space.com/space-station-algae-experiment-fresh-a...
  • Chris2048 4y ago
    This appears to be a test.