Geography, 30.05.2020 15:57, thickness7699

In order to for astronauts to be self-sufficient (requiring no outside supplies from earth) on a space station or other planets, what do they need? List and explain the necessary thing needed to create a closed ecosystem. Describe the role each thing you have listed will play.

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In order to for astronauts to be self-sufficient (requiring no outside supplies from earth) on a spa...