word | | Terrain |
| beaches | Maldives | flat, with white sandy beaches |
| beaches | Puerto Rico | mostly mountains with coastal plain belt in north; mountains precipitous to sea on west coast; sandy beaches along most coastal areas |
| beaches | Saint Barthelemy | hilly, almost completely surrounded by shallow-water reefs, with plentiful beaches |
| Beaufort | Arctic Ocean | ... meters thick, although pressure ridges may be three times that thickness; clockwise drift pattern in the Beaufort Gyral Stream, but nearly straight-line movement from the New Siberian Islands (Russia) to Denmark ... |
| Bekaa | Lebanon | narrow coastal plain; El Beqaa (Bekaa Valley) separates Lebanon and Anti-Lebanon Mountains |
| belt | Brazil | mostly flat to rolling lowlands in north; some plains, hills, mountains, and narrow coastal belt |
| belt | El Salvador | mostly mountains with narrow coastal belt and central plateau |
| belt | Puerto Rico | mostly mountains with coastal plain belt in north; mountains precipitous to sea on west coast; sandy beaches along most coastal areas |
| belt | Sierra Leone | coastal belt of mangrove swamps, wooded hill country, upland plateau, mountains in east |
| Ben | Heard Island and McDonald Islands | Heard Island - 80% ice-covered, bleak and mountainous, dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky |
| Beqaa | Lebanon | narrow coastal plain; El Beqaa (Bekaa Valley) separates Lebanon and Anti-Lebanon Mountains |
| Bering | Pacific Ocean | ... Pacific by a counterclockwise, cool-water gyre; in the northern Pacific, sea ice forms in the Bering Sea and Sea of Okhotsk in winter; in the southern Pacific, sea ice from Antarctica ... |
| better | Southern Ocean | ... minimum of 2.6 million sq km in March to about 18.8 million sq km in September, better than a sixfold increase in area; the Antarctic Circumpolar Current (21,000 km in length) moves ... |