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aac387 aac387
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6 years ago
The UV spectra of different substances are not similar and therefore the technique can usually always provide a definite result.
 
  Indicate whether the statement is true or false.


(Question #2) A compound can tentatively be identified by gas chromatography from its retention time.
 
  Indicate whether the statement is true or false.


(Question #3) Due to inaccuracies historical documents are not very useful sources for criminal justice researchers.
 
  Indicate whether the statement is true or false


(Question #4) Heroin is typically snorted by addicts.
 
  Indicate whether the statement is true or false.
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MarinMarin
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6 years ago
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aac387 Author
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#2
6 years ago
Words can't even express my thanks
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