JAMB Geography Past Questions & Answers - Page 73

Yardang is a sharp irregular ridge of compact sand lying in the direction of the prevailing wind in exposed desert regions, formed by the wind erosion of adjacent material that is less resistant.
Barchan is a crescent - shaped shafting sand dunes, loess is an unstratified brown barry deposited by wind while self dunes are sand dunes in the form of a long narrow ridge
Yardang as to do with erosional land forms.

The answer is B Most of their export are raw materials, Developing countries often depend on the developed countries to produce their raw material into finished product hence they tend to pay more when raw materials are processed and imported back. Bargaining power has little or no effect on international trade as most international deals with exchange of product. African countries most cases request for manufactured goods they needed rather than been paid

No explanation has been provided for this answer.

The provision of modern and improved medical and social facilities to area tends to attract more population concentration to another.
Other options are wrong because the government being stable does not determine population growth, social amenities provided by the government is the only factor that can make the population growth low, either rainfall or not, people will migrate and reproduce.
The agricultural system practical in an area also does not determine rapid population growth. Either mono-cropping or mixed farming is practiced population will always grow.

The area marked E on the map of Nigeria is Kano state and Kano is known for its cultivation of groundnut it is the groundnut most producing state in Nigeria