An abyssal plain is an underwater plain on the deep ocean floor.
Answer:The Abyssal Plain is a flat region at the floor of the ocean floor, at the base of a continental rise. ;
An abyssal plain is a vast, flat area of the ocean floor, typically found at depths of 3,000 to 6,000 meters. It forms from sediment accumulation and supports unique ecosystems adapted to extreme conditions. Abyssal plains cover about 40% of the ocean floor and are significant for marine biodiversity and environmental processes.
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