Water analysis
Viewers follow a group of high school students as they test and compare different water sources for eight factors: temperature, pH, dissolved oxygen, hardness, alkalinity, nitrates, coliform bacteria, and chlorine
| Corporate Authors: | , |
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| Other Authors: | , |
| Language: | English |
| Published: |
[United States]:
Schlessinger Media,
2006.
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| Edition: | Fullscreen ed.. |
| Series: | Science lab investigations! DVD series
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| Subjects: |