For four elements the IP_2 curve is shown. In the graph the elements represented by A, B, C and D are

For four elements the IP_2 curve is shown. In the graph the elements r

1.	For four elements the IP_2 curve is shown. In the graph the elements represented by A, B, C and D are
Answer» Na, Mg, AL, SI Mg, Al, Si, P Al, Si, P, S Si, P, S, CI Answer :B