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Name: John
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I am working on the Mars Millennium Project at school.I am doing oxygen supply on mars. I was wondering about how many plants it would take to supply a area about the size of 5 houses. Please reply to my at

Dear John,

The following links might help:


Anthony R. Brach, Ph.D.

When I was a student, i recall this question coming up and the generalized answer was that a house sitting on a quarter acre plot growing a lawn and a few trees would produce enough oxygen for a family of four for a year.

Steve Sample

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