Question

what is flood how to avoide the flood
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Answer 1

flood is a natural disaster that occurs in every river system. the sudden rise of water above its normal level is known as flood.
we can avoid flood by
i) afforestation
i) building dams

Answer 2

Flood is a havoc caused due to Uncontrolable rainfall.

In order to avoid flood plant more trees, the constriction of buildings should be reduced, widening of river belts, contructing dams and barrels etc......