tainous, with small coastal
lowland

Morocco:
northern coast and interior are mountainous with large
areas of bordering plateaus, intermontane valleys, and rich coastal
plains

Mozambique:
mostly coastal lowlands, uplands in center, high
plateaus in northwest, mountains in west

Namibia:
mostly high plateau; Namib Desert along coast; Kalahari
Desert in east

Nauru:
sandy beach rises to fertile ring around raised coral reefs
with phosphate plateau in center

Navassa Island:
raised coral and limestone plateau, flat to
undulating; ringed by vertical white cliffs (9 to 15 m high)

Nepal:
Terai or flat river plain of the Ganges in south, central
hill region, rugged Himalayas in north

Netherlands:
mostly coastal lowland and reclaimed land (polders);
some hills in southeast

Netherlands Antilles:
generally hilly, volcanic interiors

New Caledonia:
coastal plains with interior mountains

New Zealand:
predominately mountainous with some large coastal plains

Nicaragua:
extensive Atlantic coastal plains rising to central
interior mountains; narrow Pacific coastal plain interrupted by
volcanoes

Niger:
predominately desert plains and sand dunes; flat to rolling
plains in south; hills in north

Nigeria:
southern lowlands merge into central hills and plateaus;
mountains in southeast, plains in north

Niue:
steep limestone cliffs along coast, central plateau

Norfolk Island:
volcanic formation with mostly rolling plains

Northern Mariana Islands:
southern islands are limestone with level
terraces and fringing coral reefs; northern islands are volcanic

Norway:
glaciated; mostly high plateaus and rugged mountains broken
by fertile valleys; small, scattered plains; coastline deeply
indented by fjords; arctic tundra in north

Oman:
central desert plain, rugged mountains in north and south

Pacific Ocean:
surface currents in the northern Pacific are
dominated by a clockwise, warm-water gyre (broad circular system of
currents) and in the southern 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 reaches its northernmost extent in October;
the ocean floor in the eastern Pacific is dominated by the East
Pacific Rise, while the western Pacific is dissected by deep
trenches, includi