1.

      An example of a common herbicide is A. 2, 4 - D (2 - 4, dichlorophenoxyacetic acid). B. DDT (dichloro dimelhyl tri phenolic acid) C. BHC (benzene hexa chloride) D. Atrazine.

A. A & B                   
B.          A & C
C. A & D                                     
D. All of these
Answer» D. All of these


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