Mauritius
small coastal plain rising to discontinuous mountains
encircling central plateau
Mayotte
generally undulating, with deep ravines and ancient volcanic
peaks
Mexico
high, rugged mountains; low coastal plains; high plateaus;
desert
Micronesia, Federated States of islands vary geologically from high mountainous islands to low, coral atolls; volcanic outcroppings on Pohnpei, Kosrae, and Chuuk
Midway Islands
low, nearly level
Moldova
rolling steppe, gradual slope south to Black Sea
Monaco
hilly, rugged, rocky
Mongolia
vast semidesert and desert plains, grassy steppe, mountains
in west and southwest; Gobi Desert in south-central
Montenegro
highly indented coastline with narrow coastal plain
backed by rugged high limestone mountains and plateaus
Montserrat
volcanic island, mostly mountainous, with small coastal
lowland