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
Kingman Reef:
low and nearly level
Kiribati:
mostly low-lying coral atolls surrounded by extensive reefs
Korea, North:
mostly hills and mountains separated by deep, narrow
valleys; coastal plains wide in west, discontinuous in east