15. Could we use plants to help create a self-sustaining environment? (A K2S Question)

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Yes. In fact, it is the only way we know of to keep a crew supplied with all the food, water and air needed during long duration missions. All of the technologies we use currently for space travel have consumables. These consumables have to be replaced or recharged on Earth. If we were to travel to Mars or beyond, re-supply of these consumables would be ineffective and incredibly costly.

Answer provided by Gregory Schlick


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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