Subject: What Tests can be made to find out how polluted a river is?
Date: Thu Apr 20 13:02:14 2000
Posted by Alhele unzueta
Grade level: 10-12
School: Lincoln Park High School
City: Chicago State/Province: Illinois
Country: United States
Area of science: Environment & Ecology
As in how many bacterias there are in the river, the pH of the water, if
there are any toxic substances in the water.
I would be grateful if you could provide a brief procedure.
Re: What Tests can be made to find out how polluted a river is?
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