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