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The majority of chemicals can react.
Evolution .
tv show character like LabRats
Some scientists found that East Anglia had in fact, "doctored " results to show warming where there was none. Check information on "Climategate" for more detailed information.
by defining the age of rocks
The majority of chemicals can react.
Other scientists
Scientists show creativity by expirimenting in different ways.
Scientists use a structural formula to show the shape of a molecule.
to show you the full procces scientists show models to have better understanding
by using their inventions... ::))
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crystal clean will show up as pcp on a drug screen
It can show how you can use it
by discover things and express you selfvles
because they are smart
they will show up in your blood 5 minutes after taking them. pretty much the only time blood is tested for chemicals is by a toxicologist who is trying to determine if a person had died from drug-related issues.