Nigeria recently entered into trade agreements in petroleum products and gas with

The most suitable statistical diagram to show spatial distribution of production is the

The most capital-intensive sector of Nigeria economy to day is

The development of a climax vegetation in the Savannah belt of Nigeria is disturbed mainly by

The relative dryness of the Horn Africa is due to

The areas in Nigeria where temperate crops may be grown include

The variable which is both a control and an element of weather and climate is

A country well known for the production of Copper in Africa is

The most densely populated city which is also the capital of a country in Africa is