Senegal:
generally low, rolling, plains rising to foothills in
southeast
Seychelles:
Mahe Group is granitic, narrow coastal strip, rocky,
hilly; others are coral, flat, elevated reefs
Sierra Leone:
coastal belt of mangrove swamps, wooded hill country,
upland plateau, mountains in east
Singapore:
lowland; gently undulating central plateau contains water
catchment area and nature preserve
Slovakia:
rugged mountains in the central and northern part and
lowlands in the south
Slovenia:
a short coastal strip on the Adriatic, an alpine mountain
region adjacent to Italy and Austria, mixed mountain and valleys
with numerous rivers to the east
Solomon Islands:
mostly rugged mountains with some low coral atolls
Somalia:
mostly flat to undulating plateau rising to hills in north
South Africa:
vast interior plateau rimmed by rugged hills and
narrow coastal plain
South Georgia and the South Sandwich Islands:
most of the islands,
rising steeply from the sea, are rugged and mountainous; South
Georgia is largely barren and has steep, glacier-covered mountains;
the South Sandwich Islands are of volcanic origin with some active
volcanoes