ep, rugged mountains and dissected, upland
plains; coastal areas largely plains and rolling hills

Papua New Guinea
mostly mountains with coastal lowlands and rolling
foothills

Paracel Islands
mostly low and flat

Paraguay
grassy plains and wooded hills east of Rio Paraguay; Gran
Chaco region west of Rio Paraguay mostly low, marshy plain near the
river, and dry forest and thorny scrub elsewhere

Peru
western coastal plain (costa), high and rugged Andes in center
(sierra), eastern lowland jungle of Amazon Basin (selva)

Philippines
mostly mountains with narrow to extensive coastal
lowlands

Pitcairn Islands
rugged volcanic formation; rocky coastline with
cliffs

Poland
mostly flat plain; mountains along southern border

Portugal
mountainous north of the Tagus River, rolling plains in
south

Puerto Rico
mostly mountains with coastal plain belt in north;
mountains precipitous to sea on west coast; sandy beaches along most
coastal areas

Qatar
mostly flat and barren desert covered with loose sand and
gravel

Reunion
mostly rugged and mountainous; fertile lowlands along coast

Romania
central Transylvanian Basin is separated from the Plain of
Moldavia on the east by the Carpathian Mountains and separated from
the Walachian Plain on the south by the Transylvanian Alps

Russia
broad plain with low hills west of Urals; vast coniferous
forest and tundra in Siberia; uplands and mountains along southern
border regions

Rwanda
mostly grassy uplands and hills; relief is mountainous with
altitude declining from west to east

Saint Helena
Saint Helena - rugged, volcanic; small scattered
plateaus and plains
note: the other islands of the group have a volcanic origin

Saint Kitts and Nevis
volcanic with mountainous interiors

Saint Lucia
volcanic and mountainous with some broad, fertile valleys

Saint Pierre and Miquelon
mostly barren rock

Saint Vincent and the Grenadines
volcanic, mountainous

Samoa
two main islands (Savaii, Upolu) and several smaller islands
and uninhabited islets; narrow coastal plain with volcanic, rocky,
rugged mountains in interior

San Marino
rugged mountains

Sao Tome and Principe
volcanic, mountainous

Saudi Arabia
mostly uninhabited, sandy desert

Senegal
generally low, rolling, plains rising to foothills in
southeast

Serbia and Montenegro
extremely varied; t