00314pab a2200133 454500008004000000100002500040245004600065260000900111300001100120362001200131650000900143650001400152773001400166180718b2007   xxu||||| |||| 00| 0 eng d  aPathak, Ganesh Kumar  aACID rain: a global environmental problem  c2007  ap.3-7.  aApr-Jun  aRain  aAcid rain  aBhagirath