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by Martin J. Gutnik
Presents experiments which demonstrate that plants produce oxygen and carbohydrates.
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Robert Lawrence Stine
William R. Sanford
Fred Chappell
Gregory Lamberson
Richard Briggs
Valdine Clemens
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Daniel A. Pinkston
Geir E. Dullerud
Shun Lien Chuang
Sean P. F. Hughes
Francis La Flesche
Susan Pearson
