Relier Pairs Earth ReliefVersion en ligne Relacionar los distintos conceptos con sus definiciones en inglés. par Alfonso Poza 1 An area of land lower than the surrounding area. Sometimes, a basin is formed from the erosive action of a river. 2 The top of a mountain 3 A flat area at high altitude. 4 A large open area of flat land at low altitude 5 A large bay. It forms the shape of an arc. 6 A group of islands. 7 A flat area of ocean floor, found at depths of between 3000 and 7000 metres. 8 Head of land projecting into a body of water 9 An area of coast where the land curves in 10 A group of mountains 11 A steep underwater area that links the continental shelf with the ocean floor. 12 A piece of land completely surrounded by water 13 A large underwater mountain range 14 A large piece of land surrounded by water on three sides 15 Area of land between two mountains. 16 A natural elevation of the earth's surface rising more or less abruptly to a summit 17 The undersea extension of a continent that descends gradually to depths of around 400 metres 18 Depressions of the ocean floor that often reaches depths of 6000 metres and sometimes 11000 metres. Mountain Range Cape Valley Bay Peninsula Plateau Continental Slope Island Oceanic Ridge Summit Gulf Basin Archipelago Mountain Plain Marine Trench Abyssal Plain Continental Shelf