to find out the killer of Mr. Sternman we had to do some chromatography on different lipstick samples to find the one that matched the lipstick on the napkin found at the crime scene.
Chromatography is a process used to separate pigments.
We found out that the killer was Ms. Sternman (the daughter) we knew this because the separation of the pigments of the lipstick of the napkin and the daughter's lipstick were the same.
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1 comment:
Good work, Andy Cruz!
Miss Jimenez
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