Final answer:
Floods are natural disasters that occur when a river overflows its banks due to heavy rain, causing water to spread onto surrounding land. Flooding can result in damage to property, infrastructure, and loss of life.
Step-by-step explanation:
A river overflowing its banks due to many days of rain and causing the flood to move peoples belongings, carry mud, and uproot trees, describes a natural disaster known as flooding. Flooding occurs when the water level in a river or stream exceeds its capacity and spills onto the surrounding land. This can result in damage to property, infrastructure, and even loss of life.