Answer:

A flood is a body of water that covers land which is normally dry. Floods are common natural disasters that can affect millions of people around the world. They destroy houses and buildings, and carry soil away from valuable farming land.  Floods can also contaminate drinking water and lead to diseases. They are often caused by rivers, but overflowing lakes and seas can also cause flooding.

Flooding has always been a part human history. Many ancient civilizations developed along waterways and rivers because people needed water for their fields.

At least once a year the plains around large rivers are flooded. This is due to the amount of water that rivers bring with them, because of heavy rainfall or melting snow in the mountainous regions. Thunderstorms can cause flash floods, in which small rivers can swell quickly and carry up to ten times the normal amount of water.

Explanation:

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