Subject :IGK Class : Class 2
Refer to the given pictures of different modes of communication.
Select the correct order in which these modes of communication were invented.
Aa,i,e,f,h,d,c,b,j,g
Be,f,b,a,g,f,c,d,h,i
Ci,f,g,e,h,c,d,a,h,b
Da,c,d,e,f,g,h,i,b,j