Geography/ natural resources:Nigeria's other natural resources include natural gas, tin, iron ore, coal, limestone, niobium, lead, zinc and arable land. land usage :In colonial Nigeria, there were different land tenure systems for the northern and southern parts of the country. In the south, the land was deemed to be owned by families and communities (villages, towns). environmental issues:By 1985, deforestation claimed 1,544 square miles of the nation's forest land. Between 1983 and 1993 alone, Nigeria lost 20% of its forest and woodland areas. Oil spills, the burning of toxic wastes, and urban air pollution are problems in more developed areas.
Nigeria has a federal republic. It has executive, legislative and judicial branches of government.