Two fishes had their home in the River Ganges. One day they were separated as they got flown away from home because of some natural calamity. Which type of natural calamity do you think is this?
Flood
Flood causes a sudden rise of water level and may cause strong water current which could move the aquatic life away from their natural habitat. Among given options, only flood can cause such kind of flow. Hence, flood is the correct answer.