Match the deep-ocean feature with the correct definition. abyssal plain guyot deep-ocean basin continental volcanic arc seamounts ocean plateau deep-ocean trench volcanic island arc A. subduction of oceanic lithosphere beneath a continent B. subduction of oceanic lithosphere beneath oceanic lithosphere C. portion of the seafloor between the continental margin and oceanic ridge; comprises 30 percent of Earth's surface D. long, narrow troughs located along subduction zones E. extensive region of the ocean floor with thick accumulation of pillow basalts and other mafic rocks F. submarine volcanoes G. very level area of the deep-ocean floor typically lying at the foot of the continental rise H. submerged, flat-topped seamount

Explanation:

Abyssal plain : very level area of the deep-ocean floor typically lying at the foot of the continental rise G

Guyot: A submerged flat-topped seamount H

Deep-ocean basin:  portion of the seafloor between the continental margin and oceanic ridge; comprises 30 percent of Earth's surface C

Continental Volcanic Arc: Mountains are formed in part by igneous activity associated with the subduction of oceanic lithosphere beneath a continent A

Deep-Ocean Trench: Long, relatively narrow crease in the seafloor that forms the deepest parts of the ocean. D

Oceanic Plateau:  extensive region of the ocean floor with thick accumulation of pillow basalts and other mafic rock E

Seamounts: An isolated volcanic peak that rises  above the deep-ocean floor

Volcanic island arc: A chain of volcanic islands generally located a few hundred kilometers from a tench where active subduction of one oceanic slab beneath another is occuring; some trenches run parallel to an arc shapes row of active volcanoes

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