They may arise through the processes enumerated only from what is otherwise quite naturally found in soil in a completely harmless form. At random may be named for example organophosphates.
Wanaweza Ondoka kupitia michakato enumerated tu kutoka kabisa Vinginevyo nini ni kawaida hupatikana kwenye udongo katika fomu kabisa wapole. Random saa inaweza jina kwa ajili ya organophosphates mfano.