Central African Republic
vast, flat to rolling, monotonous plateau;
scattered hills in northeast and southwest

Chad
broad, arid plains in center, desert in north, mountains in
northwest, lowlands in south

Chile
low coastal mountains; fertile central valley; rugged Andes in
east

China
mostly mountains, high plateaus, deserts in west; plains,
deltas, and hills in east

Christmas Island
steep cliffs along coast rise abruptly to central
plateau

Clipperton Island
coral atoll

Cocos (Keeling) Islands
flat, low-lying coral atolls

Colombia
flat coastal lowlands, central highlands, high Andes
Mountains, eastern lowland plains

Comoros
volcanic islands, interiors vary from steep mountains to low
hills

Congo, Democratic Republic of the
vast central basin is a low-lying
plateau; mountains in east