24.What is used in environment agencies to detect the level of pollutants in the water supply?
A.chromatography
B.decantation
C.distatillation
D.evaporation
A.chromatography
B.decantation
C.distatillation
D.evaporation
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Answer:
A.chromatography
Explanation:
Liquid chromatography with mass spectrometry detection (LC-MS) is also used for the detection of another carcinogenic contaminant found in stream and river water.