thE Author's AnAlogy BEtwEEn thE mAil-sorting systEm AnD ChEmistry woulD BE lEss ACCurAtE iF whiCh oF thE Following wErE truE
A．vEry FEw pollutAnts ArE moBilE, AnD most ArE ConFinED to only singlE CompArtmEnts.
B．All oF thE pErturBAtions oF thE CompArtmEnts By synthEtiC CompounDs ArE inConsEquEntiAl.
C．thE vAst mAjority oF synthEtiCAlly-DErivED CompounDs AFFECt All CompArtmEnts oF ChEmistry.
D．All ChEmiCAl CompounDs hAvE A morE or lEss iDEntiCAl EFFECt on All kinDs oF ChEmistry.
E．(E) most oF thE CompArtmEnts in ChEmistry hAvE AlrEADy BEEn iDEntiFiED.