Bassas da India:
volcanic rock
Belarus:
generally flat and contains much marshland
Belgium:
flat coastal plains in northwest, central rolling hills,
rugged mountains of Ardennes Forest in southeast
Belize:
flat, swampy coastal plain; low mountains in south
Benin:
mostly flat to undulating plain; some hills and low mountains
Bermuda:
low hills separated by fertile depressions
Bhutan:
mostly mountainous with some fertile valleys and savanna
Bolivia:
rugged Andes Mountains with a highland plateau (Altiplano),
hills, lowland plains of the Amazon Basin
Bosnia and Herzegovina:
mountains and valleys
Botswana:
predominantly flat to gently rolling tableland; Kalahari
Desert in southwest