Canal irrigation is most important in the Northern Plains of India because ________
A
The soil is porous
B
The level of underground water is high
C
The sources of canals are perennial rivers
D
The region is densely populated
Correct Answer: The sources of canals are perennial rivers
Canal irrigation is most important in the Northern Plains of India because the sources of canals are perennial rivers. Perennial canals are lined to dams and barrages to provide water throughout the year, and they irrigate a vast area.