The Martian

What biological process is he using to create food?

What biological process is he using to create food?

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I'm not sure about what the exact process was called, but Watney distills water from the air and uses biological material (human waste) to provide the soil with nutrients.

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The Martian

⭐ I am a true child of darkness. ⭐ When I die, I am being sent to Purgatory. ⭐ I have a very dark and sinister soul. ⭐ I am very sensitive. ⭐ I have seen real life ghosts. ⭐ I am not afraid to die. ⭐ I never sleep. ⭐ I am a demon. ⭐ I am helpless. ⭐ I am not a very kind person. You cross with me, and it will be the last thing you’ll ever do to me. ⭐ I can move things with my mind.