in order for a scientific theory to become a scientific law it needs to be tested with generations of data to confirm that it is really true.
Evaporation, distillation, filtration and chromatography
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Answer:
National fire protection Association
Explanation:
the nfpa is a global self funded nonprofit orgnazation establised in 1896 devoted to eliminating death injury protery loss and ecomomic loss due to fire and electrical hazards