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NASASciFiles - Scientific Method-Hypothesis and Observation (2003)
NASA Why? Files segment explaining how hypotheses and observation come into play in removing odors at a wastewater treatment facility.

Genre: Educational
Keywords: Paula Hogg; Hydrogen Sulfide; Wastewater; Problem; Observe; Ammonia; Data; Hypothesis; Scrubber; Water Treatment; Meter; Aeration; Dr. D.; Information Sheet;
Duration: 00:04:52
Popularity (downloads): 1476
 

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