Thailand
central plain; Khorat Plateau in the east; mountains
elsewhere
Togo
gently rolling savanna in north; central hills; southern
plateau; low coastal plain with extensive lagoons and marshes
Tokelau
low-lying coral atolls enclosing large lagoons
Tonga
most islands have limestone base formed from uplifted coral
formation; others have limestone overlying volcanic base
Trinidad and Tobago
mostly plains with some hills and low mountains
Tromelin Island
low, flat, and sandy; likely volcanic
Tunisia
mountains in north; hot, dry central plain; semiarid south
merges into the Sahara
Turkey
high central plateau (Anatolia); narrow coastal plain;
several mountain ranges
Turkmenistan
flat-to-rolling sandy desert with dunes rising to
mountains in the south; low mountains along border with Iran;
borders Caspian Sea in west
Turks and Caicos Islands low, flat limestone; extensive marshes and mangrove swamps