Match the following Columns.  `{:("Column I","Column II"),("A.  Mercury","1.  Plumbism")
Channel: Doubtnut
Date: 24/05/2020

Match the following Columns.  `{:("Column I","Column II"),("A.  Mercury","1.  Plumbism"),("B.  Lead","2.  Minamata"),("C.  Cadmium","3.  Itai-itai"),("D.  Hydrocarbon","4.  Cancer"):}`