Aruba
flat with a few hills; scant vegetation
Ashmore and Cartier Islands
low with sand and coral
Atlantic Ocean
surface usually covered with sea ice in Labrador Sea,
Denmark Strait, and coastal portions of the Baltic Sea from October
to June; clockwise warm-water gyre (broad, circular system of
currents) in the northern Atlantic, counterclockwise warm-water gyre
in the southern Atlantic; the ocean floor is dominated by the
Mid-Atlantic Ridge, a rugged north-south centerline for the entire
Atlantic basin
Australia
mostly low plateau with deserts; fertile plain in southeast
Austria
in the west and south mostly mountains (Alps); along the
eastern and northern margins mostly flat or gently sloping
Azerbaijan
large, flat Kur-Araz Ovaligi (Kura-Araks Lowland) (much
of it below sea level) with Great Caucasus Mountains to the north,
Qarabag Yaylasi (Karabakh Upland) in west; Baku lies on Abseron
Yasaqligi (Apsheron Peninsula) that juts into Caspian Sea
Bahamas, The
long, flat coral formations with some low rounded hills
Bahrain
mostly low desert plain rising gently to low central
escarpment
Baker Island
low, nearly level coral island surrounded by a narrow
fringing reef
Bangladesh
mostly flat alluvial plain; hilly in southeast