Jamaica
mostly mountains, with narrow, discontinuous coastal plain
Jan Mayen
volcanic island, partly covered by glaciers
Japan
mostly rugged and mountainous
Jarvis Island
sandy, coral island surrounded by a narrow fringing
reef
Jersey
gently rolling plain with low, rugged hills along north coast
Johnston Atoll
mostly flat
Jordan
mostly desert plateau in east, highland area in west; Great
Rift Valley separates East and West Banks of the Jordan River
Juan de Nova Island
low and flat
Kazakhstan
extends from the Volga to the Altai Mountains and from
the plains in western Siberia to oases and desert in Central Asia
Kenya
low plains rise to central highlands bisected by Great Rift
Valley; fertile plateau in west