While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3

While deciding the alignment of a proposed canal taking off from a riv

1.	While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3
A.	an aqueduct
B.	a syphon aqueduct
C.	a super passage
D.	a syphon.
Answer» B. a syphon aqueduct