Ironically, the dams that were constructed to (1)______ floods have triggered floods due to sedimentation in the reservoir. The (2)______ of water from dams during heavy rains aggravated- the flood situation (3)______ Maharashtra and Gujarat in 2006. The floods (4)______ not only life and property but also caused soil erosion. Sedimentation (5)______ the plains of silt, a natural fertilizer.
Select the most appropriate option to fill in blank No.5