word | | Terrain |
| agriculture | South Sudan | ... out of the uplands of Central Africa, is the major geographic feature of the country supporting agriculture and extensive wild animal populations; The Sudd (a name derived from floating vegetation that hinders ... |
| air | Indian Ocean | ... currents in the northern Indian Ocean; low atmospheric pressure over southwest Asia from hot, rising, summer air results in the southwest monsoon and southwest-to-northeast winds and currents, while high pressure ... |
| Alaska | United States | vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii |
| Alay | Tajikistan | Pamir and Alay Mountains dominate landscape; western Fergana Valley in north, Kofarnihon and Vakhsh Valleys in southwest |
| alluvial | Bangladesh | mostly flat alluvial plain; hilly in southeast |
| Alpha | Arctic Ocean | ... landmasses; the ocean floor is about 50% continental shelf (highest percentage of any ocean) with the remainder a central basin interrupted by three submarine ridges (Alpha Cordillera, Nansen Cordillera, and Lomonosov Ridge |
| alpine | Slovenia | a short coastal strip on the Adriatic, an alpine mountain region adjacent to Italy and Austria, mixed mountains and valleys with numerous rivers to the east |
| Alps | Austria | in the west and south mostly mountains (Alps); along the eastern and northern margins mostly flat or gently sloping |
| Alps | France | ... plains or gently rolling hills in north and west; remainder is mountainous, especially Pyrenees in south, Alps in east French Guiana: low-lying coastal plains rising to hills and small mountains Guadeloupe ... |
| Alps | Germany | lowlands in north, uplands in center, Bavarian Alps in south |
| Alps | Liechtenstein | mostly mountainous (Alps) with Rhine Valley in western third |
| Alps | Romania | central Transylvanian Basin is separated from the Moldavian Plateau on the east by the Eastern Carpathian Mountains and separated from the Walachian Plain on the south by the Transylvanian Alps |