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Name: Gentry
Status: other
Grade: 9-12
Location: NY
Country: USA

Question: What is the ratio of, plants using oxygen during the night,
to plants producing oxygen during the day?
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possibly helpful links:

http://answers.yahoo.com/question/index?qid=20090816102343AAWjdKT

http://uk.answers.yahoo.com/question/index?qid=20081015083610AAbnkPT

http://www.newton.dep.anl.gov/askasci/bot00/bot00191.htm



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