Consider the X$-$ray absorption spectrum below

$1$

i$.$ Define an absorption edge $[1]$

ii$.$ Using the X$-$ray absorption spectrum given above, complete the table below

$\backslash$table$[[$Region$,\backslash$table$[[$Name of region$],[$Tho examples of the type$],[$of information obtained$],[$from region$]],],[$A$,1,[2]],[$B$,1,[2]],[$C$,1,[2]]]$