Question

How can the floods be both destructive and productive

Answer 1

yes floods can be be both productive & destructive
they are destructive as they cause a huge damage to the landscapes (fields), houses tree uproot etc
at the same time the same there is an advantage in the increase of water in the ground level.

Answer 2

A flood is a surplusage of water that submerses area that is ordinarily temperate. Flooding may transpire as a superfluity of liquid from various water forms, including ocean, river, or a lake, in which the liquid surpasses or cracks levees. In the following ways, the flood can be  both destructive and productive:

Destructive:

1. The flood can cause the lives of many and damage to structures and buildings such as roadways, bridges and sewerage systems.

2. It can cause damage to power transmission and cause waterborne diseases.

Productive:

1. A flood can recharge the level of the groundwater and make the soil more fertile.

2. Floodwaters present much-needed water supplies desert arid and semi-arid areas where rainfall can be very irregularly disseminated during the year and eliminates germs in the agricultural land.