s in
the Pyrenees

Angola
the province of Cabinda is an exclave, separated from the
rest of the country by the Democratic Republic of the Congo

Anguilla
the most northerly of the Leeward Islands in the Lesser
Antilles

Antarctica
the coldest, windiest, highest (on average), and driest
continent; during summer, more solar radiation reaches the surface
at the South Pole than is received at the Equator in an equivalent
period; mostly uninhabitable

Antigua and Barbuda
Antigua has a deeply indented shoreline with
many natural harbors and beaches; Barbuda has a large western harbor

Arctic Ocean
major chokepoint is the southern Chukchi Sea (northern
access to the Pacific Ocean via the Bering Strait); strategic
location between North America and Russia; shortest marine link
between the extremes of eastern and western Russia; floating
research stations operated by the US and Russia; maximum snow cover
in March or April about 20 to 50 centimeters over the frozen ocean;
snow cover lasts about 10 months

Argentina
second-largest country in South America (after Brazil);
strategic location relative to sea lanes between the South Atlantic
and the South Pacific Oceans (Strait of Magellan, Beagle Channel,
Drake Passage); diverse geophysical landscapes range from tropical
climates in the north to tundra in the far south; Cerro Aconcagua is
the Western Hemisphere's tallest mountain, while Laguna del Carbon
is the lowest point in the Western Hemisphere

Armenia
landlocked in the Lesser Caucasus Mountains; Sevana Lich
(Lake Sevan) is the largest lake in this mountain range

Aruba
a flat, riverless island renowned for its white sand beaches;
its tropical climate is moderated by constant trade winds from the
Atlantic Ocean; the temperature is almost constant at about 27
degrees Celsius (81 degrees Fahrenheit)

Ashmore and Cartier Islands
Ashmore Reef National Nature Reserve
established in August 1983; Cartier Island Marine Reserve
established in 2000

Atlantic Ocean
major chokepoints include the Dardanelles, Strait of
Gibraltar, access to the Panama and Suez Canals; strategic straits
include the Strait of Dover, Straits of Florida, Mona Passage, The
Sound (Oresund), and Windward Passage; the Equator divides the
Atlantic Ocean into the North Atlantic Ocean and South Atlantic Ocean

Australia
world's smallest continent but sixth-largest c