NIGERIA’S TRADE AND COMMERCE
Trade is the selling and buying of goods and services between areas and peoples. Trade can be local, interregional or international. Nigeria is involved in all these types of trade. The term commerce” is used to cover all forms of…
RIVER REGIMES
The seasonal variation in the volume of water in a river is known as the regime. A knowledge of the regime of a river is important to man in controlling possible floods, storing up water for irrigation and human consumption,…
GREAT CIRCLE ROUTES
Since the earth is spherical in shape, the shortest distance between any two points on the globe lies along its circumference. There are an infinite number of great circles of equal length running around the globe, e.g. the circle formed…
Study Guide
