GEOLOGY

Detailed explanation-1: -A flood happens when water overflows or soaks land that is normally dry.

Detailed explanation-2: -Flood: An overflow of water onto normally dry land. The inundation of a normally dry area caused by rising water in an existing waterway, such as a river, stream, or drainage ditch. Ponding of water at or near the point where the rain fell. Flooding is a longer term event than flash flooding: it may last days or weeks.

Detailed explanation-3: -Floods are the most frequent type of natural disaster and occur when an overflow of water submerges land that is usually dry. Floods are often caused by heavy rainfall, rapid snowmelt or a storm surge from a tropical cyclone or tsunami in coastal areas.

Detailed explanation-4: -A flood is a situation in which water temporarily covers land where it normally doesn’t. This water comes from the sea, lakes, rivers, canals or sewers. It can also be rainwater. Floods can be described according to speed (flash flood), geography or cause of flooding.

Detailed explanation-5: -A. Dam floods. B. Flash floods. C. Coastal floods. D. River floods.