ABC - DEF - GHI - JKL - MNO - PQRS - TUV - WXYZ Precursor(s)
Definition:
A precursor is a chemical which precedes and is the source of another.
Source & ©: GreenFacts
More:
For example, in water disinfection, chlorine and natural organic matter are
precursors to trihalomethanes.
Related words: Chlorine - Natural organic matter
ABC - DEF - GHI - JKL - MNO - PQRS - TUV - WXYZ | 
