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In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

The two-dimensional form of this technique, sometimes also two-color, can be frequency and time-resolved to produce synchronous correlation maps. It may be used to analyze solids when they are mixed with non-volatile liquid and ground into a mull, or incorporated into potassium bromide discs or cells, employed because they lack covalent bonds, with common solvents like CHCl3 and CS2. It produces a portion known as the fingerprint region from 1400 to 600 inverse centimeters, and might show a broad adsorption band near 3000 indicating an alcohol functional group. FTP, name this way of identifying organic compounds, a type of spectroscopy named for the radiation of shorter frequency than visible light.
Output:
Science