Marshall Islands
two archipelagic island chains of 30 atolls and
1,152 islands; Bikini and Enewetak are former US nuclear test sites;
Kwajalein, the famous World War II battleground, is now used as a US
missile test range

Martinique
the island is dominated by Mount Pelee, which on 8 May
1902 erupted and completely destroyed the city of Saint Pierre,
killing 30,000 inhabitants

Mauritania
most of the population concentrated in the cities of
Nouakchott and Nouadhibou and along the Senegal River in the
southern part of the country

Mauritius
the main island, from which the country derives its name,
is of volcanic origin and is almost entirely surrounded by coral
reefs

Mayotte
part of Comoro Archipelago; 18 islands

Mexico
strategic location on southern border of US; corn (maize),
one of the world's major grain crops, is thought to have originated
in Mexico

Micronesia, Federated States of
four major island groups totaling
607 islands

Midway Islands
a coral atoll managed as a national wildlife refuge
and open to the public for wildlife-related recreation in the form
of wildlife observation and photography, sport fishing, snorkeling,
and scuba diving; the refuge is temporarily closed for
reorganization at present (2003)

Moldova
landlocked; well endowed with various sedimentary rocks and
minerals including sand, gravel, gypsum, and limestone

Monaco
second-smallest independent state in the world (after Holy
See); almost entirely urban