Which of the following best describes a floodplain? an area that is periodically flooded because humans have altered the landscape a region of land that is periodically flooded when a river overflows a region of land that has been deliberately , permanently flooded due to human disturbance, such as in dam building an area that is incidentally flooded when farming or mining operations change the course of rivers

The best description of a floodplain is:<br /><br />**a region of land that is periodically flooded when a river overflows**<br /><br />A floodplain is an area of land adjacent to a river or stream that is subject to periodic flooding when the water level of the river or stream rises above its banks. This natural process deposits nutrient-rich sediments, which can support diverse ecosystems and agricultural activities.