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Keywords: nitrate
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Journal Articles
Journal:
The American Biology Teacher
The American Biology Teacher (2012) 74 (7): 471–478.
Published: 01 September 2012
..., and subsequent analysis for bacteria and nitrate. Laboratory results confirmed the usefulness of comparing real environmental samples, and student survey and performance data supported the original hypothesis of this study in terms of student learning objectives. © 2012 by National Association of Biology...