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Searched for: GEM Subject is Science -- Biology
Results 1,561 - 1,565 of 1,798
This current report from the US Department of Agriculture Forest Service, Pacific Northwest Research Station evaluates the genetic resource status of several Pacific Northwest timber species. The 60-page report can be...
The US Environmental Protection Agency (EPA) provides this database of chemical toxicity. Three individual EPA databases are combined to provide information on chemical-specific toxicity values for aquatic and...
This site, created by Gregg Eckhardt, introduces and defines terms related to aquifers, and more generally, water. With an accessible format, the webpage is easy to use and puts valuable information at one's fingertips.
From "Know your Science" this page contains this simple definition and a diagram of a watershed. There are also 3 .avi format videos on the subject as well.
This website is a full description from the Food and Drug Administration on the processes of a reverse osmosis system. Contains some technical requirements for a successful reverse osmosis system.
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