Which of the following best describes a floodplain?
A) an area where flood irrigation of crops is used, such as a rice paddy
B) a region of land that is periodically flooded when a river overflows
C) a region of land that has been deliberately, permanently flooded due to human disturbance, such as in dam building
D) an area that is periodically flooded because humans have altered the landscape
E) an area that is incidentally flooded when farming or mining operations change the course of rivers
Answer: B
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