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Which of the following is not true regarding gas chromatography?

Discerning what is/is not evidence to be collected at a crime scene can be influenced by the type of crime allegedly committed. 

Which of the following is not true regarding gas chromatography?

Forensic science labs often use mass spectrometry as a detector for gas chromatography. 

Polarized light is light that is propagated in many directions.

Most electromagnetic radiation is in the visible portion of the electromagnetic spectrum. 

UV/Vis spectrophotometry offers forensic scientists an objective means of determining the exact color of an object. 

Gel electrophoresis is used to separate DNA fragments based on their movement through a gelatin stationary phase as electrical currents are applied.

The microscopic examination of hair evidence can reveal all of the following information except:

Gas chromatography is used for the separation of large amounts of solids or liquids.