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The observation that no two substances produce the same fragmentation patterns under carefully controlled conditions is a unique feature of: (Points : 4) a. Ultraviolet spectrophotometry
b. Electromagnetic radiation c. Thin-layer chromatography d. Mass spectrometry
D. Mass spectrometry
Expert answered|Monsman|Points 60|
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Asked 11/14/2012 7:08:32 PM
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The temperature at which the breath leaves the mouth is normally: (Points : 4) a. 34 degrees Celsius b. 65 degrees Celsius c. 72 degrees Fahrenheit d. 96 degrees Fahrenheit
Weegy: The temperature at which the breath leaves the mouth is normally a. 34 degrees Celsius. (More)
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