How does a Gas Chromatography machine break down the analyte compounds from the hair sample into individual
particles for the detector to read them?
A. By adding chemical reagents to alter the composition of the compound
B. By exposing them to a nuclear reactor so that radiation breaks them down
C. By cleaning and washing them to remove impurities and removing keratin
D. By using an oven heat source that breaks down the compound bonds

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Explanation:

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the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

and after water is usually warmed by the sun the water temperature raises and then evaporates .