In the northern plains of Bihar, the correct order of the doab in increasing order from west to east is 1 Ghaghra-Gandak Doab 2 Gandak-Kosi Doab 3 Kosi-Mahananda Doab

In the northern plains of Bihar, the correct order of the doab in incr

1.	In the northern plains of Bihar, the correct order of the doab in increasing order from west to east is 1 Ghaghra-Gandak Doab 2 Gandak-Kosi Doab 3 Kosi-Mahananda Doab
A.	1, 2, 3 is the correct order
B.	1.3, 2 is the correct order
C.	3, 1, 2 is the correct order
D.	3, 2, 1 is the correct order
Answer» B. 1.3, 2 is the correct order