1.

{:("","List- I","","List -II"),("(A)", "Green house gases","(1)", CO),("(B)","Silent killer gas","(2)",CO_(2)),("(C)","Photo chemical smog ","(3)",CFCs),("(D)","Acid rains ","(4)",O_(3)NO_(2)),("","",(5),N_(2)O_(3)SO_(3)):} The correct match is

Answer»

`{:(A,B,C,D),(2,1,4,5):}`
`{:(A,b,C,D),(3,2,5,1):}`
`{:(A,B,C,D),(4,3,1,2):}`
`{:(A,B,C,D),(1,2,4,3):}`

ANSWER :A


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