MadSci Network: Earth Sciences

Subject: What Materials Will Purify Water Best, and why?

Date: Tue Feb 15 16:00:35 2000
Posted by Kaylee
Grade level: 7-9 School: Seaview School
City: Lantzville State/Province: BC Country: Cananda
Area of science: Earth Sciences
ID: 950652035.Es

Thank you for creating this wonderfull site it helps alot. My Question, 
What materials purify water best, and why?, has 4 posible answers and they 
are sand, gravel, papertowel or cottom balls. Thank you for your time.
           From Kaylee

Re: What Materials Will Purify Water Best, and why?

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